See Pi Day in All languages combined, or Wiktionary
{
"etymology_text": "pi + day, from the date March 14th in the month/day format (that is, 3/14), 3, 1 and 4 being the first three significant digits of the mathematical constant π.",
"head_templates": [
{
"args": {
"head": "Pi Day"
},
"expansion": "Pi Day",
"name": "en-proper-noun"
}
],
"lang": "English",
"lang_code": "en",
"pos": "name",
"senses": [
{
"categories": [
{
"kind": "other",
"name": "English entries with incorrect language header",
"parents": [
"Entries with incorrect language header",
"Entry maintenance"
],
"source": "w"
},
{
"kind": "other",
"name": "English terms with non-redundant non-automated sortkeys",
"parents": [
"Terms with non-redundant non-automated sortkeys",
"Entry maintenance"
],
"source": "w"
},
{
"kind": "other",
"name": "Entries with translation boxes",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Pages with 1 entry",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Pages with entries",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Arabic translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Armenian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Assamese translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Bengali translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Bulgarian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Cantonese translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Catalan translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Central Kurdish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Chuvash translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Czech translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Danish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Dutch translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Esperanto translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Estonian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Finnish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with French translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Georgian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with German translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Hebrew translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Hungarian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Icelandic translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Indonesian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Italian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Japanese translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Korean translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Lithuanian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Macedonian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Malayalam translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Mandarin translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Nepali translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Norwegian Nynorsk translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Odia translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Persian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Polish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Portuguese translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Romanian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Russian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Serbo-Croatian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Sinhalese translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Slovak translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Slovene translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Spanish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Swahili translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Swedish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Tamil translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Thai translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Turkish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Ukrainian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Vietnamese translations",
"parents": [],
"source": "w"
},
{
"kind": "topical",
"langcode": "en",
"name": "Geometry",
"orig": "en:Geometry",
"parents": [
"Mathematics",
"Formal sciences",
"Sciences",
"All topics",
"Fundamental"
],
"source": "w"
},
{
"kind": "topical",
"langcode": "en",
"name": "Observances",
"orig": "en:Observances",
"parents": [
"Calendar",
"Timekeeping",
"Time",
"All topics",
"Fundamental"
],
"source": "w"
}
],
"examples": [
{
"ref": "1997, Louise Bock, Susan Guengerich, Hope Martin, “March Celebrations”, in Multicultural Math Fun: Holidays around the Year, Portland, Me.: J. Weston Walch Publisher, →ISBN, page 83:",
"text": "Did you know that March 14 is Pi Day (no, π is not misspelled). Pi Day is celebrated on 3/14 or 3.14! To commemorate this remarkable ratio, we have a few circular activities. The first is the Pizza Survey. What are the students' favorite toppings on pizza? What do you like best?",
"type": "quote"
},
{
"ref": "1999, David H. Albert, “Exits and Entrances”, in And the Skylark Sings with Me: Adventures in Homeschooling and Community-based Education, Gabriola Island, B.C.: New Society Publishers in cooperation with Holt Associates/Growing Without Schooling, →ISBN, page 128:",
"text": "As Quakers, we do not as a matter of religion celebrate any holidays (more accurately, all days are to be considered holidays because they have equal potential for revealing the Divine to us), but as a cultural matter we celebrate all kinds: Hindu, Christian, Jewish, ethnic, birthdays of famous composers, artists, writers, and scientists, π Day (March 14th – we bake several pies and divide them into fractions before eating), even some we just make up ourselves.",
"type": "quote"
},
{
"ref": "2002, Ivan Peterson, “A Passion for Pi”, in Mathematical Treks: From Surreal Numbers to Magic Circles (Spectrum Series; a Science News Book), [Washington, D.C.]: Mathematical Association of America, →ISBN, page 17:",
"text": "Of all known mathematical constants, however, pi continues to attract the most attention. […] The Exploratorium in San Francisco continues to celebrate Pi Day on March 14 each year, starting at 1:59 pm.",
"type": "quote"
},
{
"ref": "2009 March 12, H. Res. 224 Supporting the Designation of Pi Day, and for Other Purposes, [Washington, D.C.]: United States Government Publishing Office, archived from the original on 2016-12-28, page 2:",
"text": "Whereas Pi can be approximated as 3.14, and thus March 14, 2009, is an appropriate day for \"National Pi Day\": Now, therefore, be it / Resolved, That the [United States] House of Representatives— / (1) supports the designation of a \"Pi Day\" and its celebration around the world; […]",
"type": "quote"
},
{
"ref": "2012 June 19, Jonathan M[ichael] Borwein, “The Life of Pi: From Archimedes to Eniac and Beyond”, in David H[arold] Bailey, Jonathan M. Borwein, Pi: The Next Generation: A Sourcebook on the Recent History of Pi and Its Computation, Switzerland: Springer Nature, published 2016, →DOI, →ISBN, page 446:",
"text": "Likewise, March 14 in North America has been π Day, since in the USA the month is written before the day ('314'). In schools throughout North America, it has become a reason for mathematical projects, especially focussing on π.",
"type": "quote"
},
{
"ref": "2015 March 14, Sam Ro, “March 14, 2015 will be a once-in-a-century thrill for math geeks”, in Business Insider, archived from the original on 2016-03-04:",
"text": "March 14, or 3/14, is recognized by math geeks as Pi day. That happens every year. But as UBS’s Art Cashin notes, next year’s Pi day will be a once-in-a-century Pi day. “At 9:26:53 a.m., they can write 3/14/15; 9:26:53, which you should also recall are the first ten digits of Pi in perfect order,” said Cashin.",
"type": "quote"
},
{
"ref": "2016, Liz Strachan, “A Little More Pi”, in Easy as Pi: Maths Made Simple, London: Robinson, →ISBN:",
"text": "Pi lovers like to celebrate Pi Day every year. In the US, they write the date with the month first, then the day and year. So in 2015, 14th March was 3 14 15, the first five digits of π. So that was a really special Pi Day when, of course, they sang their special song, Pi, Pi, Mathematical Pi, to the tune of that great song everyone danced to in the 1970s, 'Bye-bye, Miss American Pie' by Don McLean.",
"type": "quote"
}
],
"glosses": [
"March 14th, an annual celebration of the mathematical constant π (pi)."
],
"id": "en-Pi_Day-en-name-7J3ubYnr",
"links": [
[
"March",
"March"
],
[
"annual",
"annual#Adjective"
],
[
"celebration",
"celebration"
],
[
"mathematical",
"mathematical"
],
[
"constant",
"constant#Noun"
],
[
"π",
"π#Symbol"
],
[
"pi",
"pi"
]
],
"synonyms": [
{
"word": "π Day"
}
],
"translations": [
{
"code": "ar",
"lang": "Arabic",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "يوم ط"
},
{
"code": "hy",
"lang": "Armenian",
"roman": "Pi tʻvi ōr",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Պի թվի օր"
},
{
"code": "as",
"lang": "Assamese",
"roman": "pai diwox",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "পাই দিৱস"
},
{
"code": "bn",
"lang": "Bengali",
"roman": "pai diboś",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "পাই দিবস"
},
{
"code": "bg",
"lang": "Bulgarian",
"roman": "Denjat Pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Денят Пи"
},
{
"code": "ca",
"lang": "Catalan",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dia Pi"
},
{
"code": "yue",
"lang": "Chinese Cantonese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圓周率日"
},
{
"code": "yue",
"lang": "Chinese Cantonese",
"roman": "jyun⁴ zau¹ leot² jat⁶",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圆周率日"
},
{
"code": "cmn",
"lang": "Chinese Mandarin",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圓周率日"
},
{
"code": "cmn",
"lang": "Chinese Mandarin",
"roman": "Yuánzhōulǜrì",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圆周率日"
},
{
"code": "cv",
"lang": "Chuvash",
"roman": "Pi h̬is̬epĕn k̬unĕ",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Пи хисепĕн кунĕ"
},
{
"code": "cs",
"lang": "Czech",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Den pí"
},
{
"code": "da",
"lang": "Danish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"common-gender"
],
"word": "Pi-dag"
},
{
"code": "nl",
"lang": "Dutch",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "pi-dag"
},
{
"code": "nl",
"lang": "Dutch",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "pi-benaderingsdag"
},
{
"code": "eo",
"lang": "Esperanto",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Pi-tago"
},
{
"code": "et",
"lang": "Estonian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Pii päev"
},
{
"code": "fi",
"lang": "Finnish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "piin päivä"
},
{
"code": "fr",
"lang": "French",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"feminine"
],
"word": "journée de pi"
},
{
"code": "ka",
"lang": "Georgian",
"roman": "ṗis dɣe",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "პის დღე"
},
{
"code": "de",
"lang": "German",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Pi-Tag"
},
{
"code": "he",
"lang": "Hebrew",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "יום פאי"
},
{
"code": "hu",
"lang": "Hungarian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "nemzetközi π-nap"
},
{
"code": "is",
"lang": "Icelandic",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "π dagur"
},
{
"code": "is",
"lang": "Icelandic",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Nálgunardagur π"
},
{
"code": "id",
"lang": "Indonesian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Hari Pi"
},
{
"code": "it",
"lang": "Italian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Giorno del pi greco"
},
{
"code": "ja",
"lang": "Japanese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "円周率の日"
},
{
"code": "ko",
"lang": "Korean",
"roman": "paiui nal",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "파이의 날"
},
{
"code": "ckb",
"lang": "Central Kurdish",
"roman": "rojî pay",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "ڕۆژی پای"
},
{
"code": "lt",
"lang": "Lithuanian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"feminine"
],
"word": "Pi diena"
},
{
"code": "mk",
"lang": "Macedonian",
"roman": "Den na brojot pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Ден на бројот пи"
},
{
"code": "ml",
"lang": "Malayalam",
"roman": "pai dinaṁ",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "പൈ ദിനം"
},
{
"code": "ne",
"lang": "Nepali",
"roman": "pāī divas",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "पाई दिवस"
},
{
"code": "nn",
"lang": "Norwegian Nynorsk",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Pi-dagen"
},
{
"code": "or",
"lang": "Odia",
"roman": "pāi dibasa",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "ପାଇ ଦିବସ"
},
{
"code": "fa",
"lang": "Persian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "روز پی"
},
{
"code": "pl",
"lang": "Polish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dzień Liczby Pi"
},
{
"code": "pt",
"lang": "Portuguese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dia do Pi"
},
{
"code": "ro",
"lang": "Romanian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Ziua pi"
},
{
"code": "ru",
"lang": "Russian",
"roman": "Denʹ čisla pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "День числа пи"
},
{
"code": "sh",
"lang": "Serbo-Croatian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dan broja pi"
},
{
"code": "si",
"lang": "Sinhalese",
"roman": "payi dinaya",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "පයි දිනය"
},
{
"code": "sk",
"lang": "Slovak",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Deň pí"
},
{
"code": "sl",
"lang": "Slovene",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dan pi"
},
{
"code": "es",
"lang": "Spanish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Día de Pi"
},
{
"code": "sw",
"lang": "Swahili",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Siku ya Pi"
},
{
"code": "sv",
"lang": "Swedish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"common-gender"
],
"word": "Pi-dagen"
},
{
"code": "ta",
"lang": "Tamil",
"roman": "pai nāḷ",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "பை நாள்"
},
{
"code": "th",
"lang": "Thai",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "วันพาย"
},
{
"code": "tr",
"lang": "Turkish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Pi Günü"
},
{
"code": "uk",
"lang": "Ukrainian",
"roman": "Denʹ pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "День пі"
},
{
"code": "vi",
"lang": "Vietnamese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Ngày số pi"
}
],
"wikipedia": [
"Delft",
"Delft University of Technology"
]
}
],
"sounds": [
{
"ipa": "/ˈpaɪ deɪ/",
"tags": [
"General-American",
"Received-Pronunciation"
]
},
{
"audio": "en-au-Pi Day.ogg",
"mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1b/En-au-Pi_Day.ogg/En-au-Pi_Day.ogg.mp3",
"ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1b/En-au-Pi_Day.ogg"
}
],
"word": "Pi Day"
}
{
"etymology_text": "pi + day, from the date March 14th in the month/day format (that is, 3/14), 3, 1 and 4 being the first three significant digits of the mathematical constant π.",
"head_templates": [
{
"args": {
"head": "Pi Day"
},
"expansion": "Pi Day",
"name": "en-proper-noun"
}
],
"lang": "English",
"lang_code": "en",
"pos": "name",
"senses": [
{
"categories": [
"English entries with incorrect language header",
"English lemmas",
"English multiword terms",
"English proper nouns",
"English terms with non-redundant non-automated sortkeys",
"English terms with quotations",
"English uncountable nouns",
"Entries with translation boxes",
"Pages with 1 entry",
"Pages with entries",
"Terms with Arabic translations",
"Terms with Armenian translations",
"Terms with Assamese translations",
"Terms with Bengali translations",
"Terms with Bulgarian translations",
"Terms with Cantonese translations",
"Terms with Catalan translations",
"Terms with Central Kurdish translations",
"Terms with Chuvash translations",
"Terms with Czech translations",
"Terms with Danish translations",
"Terms with Dutch translations",
"Terms with Esperanto translations",
"Terms with Estonian translations",
"Terms with Finnish translations",
"Terms with French translations",
"Terms with Georgian translations",
"Terms with German translations",
"Terms with Hebrew translations",
"Terms with Hungarian translations",
"Terms with Icelandic translations",
"Terms with Indonesian translations",
"Terms with Italian translations",
"Terms with Japanese translations",
"Terms with Korean translations",
"Terms with Lithuanian translations",
"Terms with Macedonian translations",
"Terms with Malayalam translations",
"Terms with Mandarin translations",
"Terms with Nepali translations",
"Terms with Norwegian Nynorsk translations",
"Terms with Odia translations",
"Terms with Persian translations",
"Terms with Polish translations",
"Terms with Portuguese translations",
"Terms with Romanian translations",
"Terms with Russian translations",
"Terms with Serbo-Croatian translations",
"Terms with Sinhalese translations",
"Terms with Slovak translations",
"Terms with Slovene translations",
"Terms with Spanish translations",
"Terms with Swahili translations",
"Terms with Swedish translations",
"Terms with Tamil translations",
"Terms with Thai translations",
"Terms with Turkish translations",
"Terms with Ukrainian translations",
"Terms with Vietnamese translations",
"en:Geometry",
"en:Observances"
],
"examples": [
{
"ref": "1997, Louise Bock, Susan Guengerich, Hope Martin, “March Celebrations”, in Multicultural Math Fun: Holidays around the Year, Portland, Me.: J. Weston Walch Publisher, →ISBN, page 83:",
"text": "Did you know that March 14 is Pi Day (no, π is not misspelled). Pi Day is celebrated on 3/14 or 3.14! To commemorate this remarkable ratio, we have a few circular activities. The first is the Pizza Survey. What are the students' favorite toppings on pizza? What do you like best?",
"type": "quote"
},
{
"ref": "1999, David H. Albert, “Exits and Entrances”, in And the Skylark Sings with Me: Adventures in Homeschooling and Community-based Education, Gabriola Island, B.C.: New Society Publishers in cooperation with Holt Associates/Growing Without Schooling, →ISBN, page 128:",
"text": "As Quakers, we do not as a matter of religion celebrate any holidays (more accurately, all days are to be considered holidays because they have equal potential for revealing the Divine to us), but as a cultural matter we celebrate all kinds: Hindu, Christian, Jewish, ethnic, birthdays of famous composers, artists, writers, and scientists, π Day (March 14th – we bake several pies and divide them into fractions before eating), even some we just make up ourselves.",
"type": "quote"
},
{
"ref": "2002, Ivan Peterson, “A Passion for Pi”, in Mathematical Treks: From Surreal Numbers to Magic Circles (Spectrum Series; a Science News Book), [Washington, D.C.]: Mathematical Association of America, →ISBN, page 17:",
"text": "Of all known mathematical constants, however, pi continues to attract the most attention. […] The Exploratorium in San Francisco continues to celebrate Pi Day on March 14 each year, starting at 1:59 pm.",
"type": "quote"
},
{
"ref": "2009 March 12, H. Res. 224 Supporting the Designation of Pi Day, and for Other Purposes, [Washington, D.C.]: United States Government Publishing Office, archived from the original on 2016-12-28, page 2:",
"text": "Whereas Pi can be approximated as 3.14, and thus March 14, 2009, is an appropriate day for \"National Pi Day\": Now, therefore, be it / Resolved, That the [United States] House of Representatives— / (1) supports the designation of a \"Pi Day\" and its celebration around the world; […]",
"type": "quote"
},
{
"ref": "2012 June 19, Jonathan M[ichael] Borwein, “The Life of Pi: From Archimedes to Eniac and Beyond”, in David H[arold] Bailey, Jonathan M. Borwein, Pi: The Next Generation: A Sourcebook on the Recent History of Pi and Its Computation, Switzerland: Springer Nature, published 2016, →DOI, →ISBN, page 446:",
"text": "Likewise, March 14 in North America has been π Day, since in the USA the month is written before the day ('314'). In schools throughout North America, it has become a reason for mathematical projects, especially focussing on π.",
"type": "quote"
},
{
"ref": "2015 March 14, Sam Ro, “March 14, 2015 will be a once-in-a-century thrill for math geeks”, in Business Insider, archived from the original on 2016-03-04:",
"text": "March 14, or 3/14, is recognized by math geeks as Pi day. That happens every year. But as UBS’s Art Cashin notes, next year’s Pi day will be a once-in-a-century Pi day. “At 9:26:53 a.m., they can write 3/14/15; 9:26:53, which you should also recall are the first ten digits of Pi in perfect order,” said Cashin.",
"type": "quote"
},
{
"ref": "2016, Liz Strachan, “A Little More Pi”, in Easy as Pi: Maths Made Simple, London: Robinson, →ISBN:",
"text": "Pi lovers like to celebrate Pi Day every year. In the US, they write the date with the month first, then the day and year. So in 2015, 14th March was 3 14 15, the first five digits of π. So that was a really special Pi Day when, of course, they sang their special song, Pi, Pi, Mathematical Pi, to the tune of that great song everyone danced to in the 1970s, 'Bye-bye, Miss American Pie' by Don McLean.",
"type": "quote"
}
],
"glosses": [
"March 14th, an annual celebration of the mathematical constant π (pi)."
],
"links": [
[
"March",
"March"
],
[
"annual",
"annual#Adjective"
],
[
"celebration",
"celebration"
],
[
"mathematical",
"mathematical"
],
[
"constant",
"constant#Noun"
],
[
"π",
"π#Symbol"
],
[
"pi",
"pi"
]
],
"wikipedia": [
"Delft",
"Delft University of Technology"
]
}
],
"sounds": [
{
"ipa": "/ˈpaɪ deɪ/",
"tags": [
"General-American",
"Received-Pronunciation"
]
},
{
"audio": "en-au-Pi Day.ogg",
"mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/1/1b/En-au-Pi_Day.ogg/En-au-Pi_Day.ogg.mp3",
"ogg_url": "https://upload.wikimedia.org/wikipedia/commons/1/1b/En-au-Pi_Day.ogg"
}
],
"synonyms": [
{
"word": "π Day"
}
],
"translations": [
{
"code": "ar",
"lang": "Arabic",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "يوم ط"
},
{
"code": "hy",
"lang": "Armenian",
"roman": "Pi tʻvi ōr",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Պի թվի օր"
},
{
"code": "as",
"lang": "Assamese",
"roman": "pai diwox",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "পাই দিৱস"
},
{
"code": "bn",
"lang": "Bengali",
"roman": "pai diboś",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "পাই দিবস"
},
{
"code": "bg",
"lang": "Bulgarian",
"roman": "Denjat Pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Денят Пи"
},
{
"code": "ca",
"lang": "Catalan",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dia Pi"
},
{
"code": "yue",
"lang": "Chinese Cantonese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圓周率日"
},
{
"code": "yue",
"lang": "Chinese Cantonese",
"roman": "jyun⁴ zau¹ leot² jat⁶",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圆周率日"
},
{
"code": "cmn",
"lang": "Chinese Mandarin",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圓周率日"
},
{
"code": "cmn",
"lang": "Chinese Mandarin",
"roman": "Yuánzhōulǜrì",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "圆周率日"
},
{
"code": "cv",
"lang": "Chuvash",
"roman": "Pi h̬is̬epĕn k̬unĕ",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Пи хисепĕн кунĕ"
},
{
"code": "cs",
"lang": "Czech",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Den pí"
},
{
"code": "da",
"lang": "Danish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"common-gender"
],
"word": "Pi-dag"
},
{
"code": "nl",
"lang": "Dutch",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "pi-dag"
},
{
"code": "nl",
"lang": "Dutch",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "pi-benaderingsdag"
},
{
"code": "eo",
"lang": "Esperanto",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Pi-tago"
},
{
"code": "et",
"lang": "Estonian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Pii päev"
},
{
"code": "fi",
"lang": "Finnish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "piin päivä"
},
{
"code": "fr",
"lang": "French",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"feminine"
],
"word": "journée de pi"
},
{
"code": "ka",
"lang": "Georgian",
"roman": "ṗis dɣe",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "პის დღე"
},
{
"code": "de",
"lang": "German",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Pi-Tag"
},
{
"code": "he",
"lang": "Hebrew",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "יום פאי"
},
{
"code": "hu",
"lang": "Hungarian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "nemzetközi π-nap"
},
{
"code": "is",
"lang": "Icelandic",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "π dagur"
},
{
"code": "is",
"lang": "Icelandic",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Nálgunardagur π"
},
{
"code": "id",
"lang": "Indonesian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Hari Pi"
},
{
"code": "it",
"lang": "Italian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Giorno del pi greco"
},
{
"code": "ja",
"lang": "Japanese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "円周率の日"
},
{
"code": "ko",
"lang": "Korean",
"roman": "paiui nal",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "파이의 날"
},
{
"code": "ckb",
"lang": "Central Kurdish",
"roman": "rojî pay",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "ڕۆژی پای"
},
{
"code": "lt",
"lang": "Lithuanian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"feminine"
],
"word": "Pi diena"
},
{
"code": "mk",
"lang": "Macedonian",
"roman": "Den na brojot pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Ден на бројот пи"
},
{
"code": "ml",
"lang": "Malayalam",
"roman": "pai dinaṁ",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "പൈ ദിനം"
},
{
"code": "ne",
"lang": "Nepali",
"roman": "pāī divas",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "पाई दिवस"
},
{
"code": "nn",
"lang": "Norwegian Nynorsk",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Pi-dagen"
},
{
"code": "or",
"lang": "Odia",
"roman": "pāi dibasa",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "ପାଇ ଦିବସ"
},
{
"code": "fa",
"lang": "Persian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "روز پی"
},
{
"code": "pl",
"lang": "Polish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dzień Liczby Pi"
},
{
"code": "pt",
"lang": "Portuguese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dia do Pi"
},
{
"code": "ro",
"lang": "Romanian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Ziua pi"
},
{
"code": "ru",
"lang": "Russian",
"roman": "Denʹ čisla pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "День числа пи"
},
{
"code": "sh",
"lang": "Serbo-Croatian",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dan broja pi"
},
{
"code": "si",
"lang": "Sinhalese",
"roman": "payi dinaya",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "පයි දිනය"
},
{
"code": "sk",
"lang": "Slovak",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Deň pí"
},
{
"code": "sl",
"lang": "Slovene",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Dan pi"
},
{
"code": "es",
"lang": "Spanish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "Día de Pi"
},
{
"code": "sw",
"lang": "Swahili",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Siku ya Pi"
},
{
"code": "sv",
"lang": "Swedish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"common-gender"
],
"word": "Pi-dagen"
},
{
"code": "ta",
"lang": "Tamil",
"roman": "pai nāḷ",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "பை நாள்"
},
{
"code": "th",
"lang": "Thai",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "วันพาย"
},
{
"code": "tr",
"lang": "Turkish",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Pi Günü"
},
{
"code": "uk",
"lang": "Ukrainian",
"roman": "Denʹ pi",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"tags": [
"masculine"
],
"word": "День пі"
},
{
"code": "vi",
"lang": "Vietnamese",
"sense": "March 14th, an annual celebration of the mathematical constant π (pi)",
"word": "Ngày số pi"
}
],
"word": "Pi Day"
}
Download raw JSONL data for Pi Day meaning in English (15.5kB)
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-12-15 from the enwiktionary dump dated 2024-12-04 using wiktextract (8a39820 and 4401a4c). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.
If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.