See Dirac delta function in All languages combined, or Wiktionary
{
"etymology_templates": [
{
"args": {
"1": "physicist",
"2": "",
"3": "",
"4": "",
"5": ""
},
"expansion": "physicist",
"name": "named-after/list"
},
{
"args": {},
"expansion": "|",
"name": "!"
},
{
"args": {
"1": "en",
"2": "Paul Dirac"
},
"expansion": "Paul Dirac",
"name": "lang"
},
{
"args": {
"1": "en",
"2": "Paul Dirac",
"nationality": "English",
"occupation": "physicist",
"wplink": "="
},
"expansion": "Named after English physicist Paul Dirac",
"name": "named-after"
}
],
"etymology_text": "Named after English physicist Paul Dirac.",
"forms": [
{
"form": "Dirac delta functions",
"tags": [
"plural"
]
},
{
"form": "Dirac delta",
"tags": [
"alternative"
]
},
{
"form": "Dirac's delta function",
"tags": [
"alternative"
]
},
{
"form": "Dirac's delta",
"tags": [
"alternative"
]
}
],
"head_templates": [
{
"args": {
"nolinkhead": "1"
},
"expansion": "Dirac delta function (plural Dirac delta functions)",
"name": "en-noun"
}
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"senses": [
{
"categories": [
{
"kind": "other",
"name": "English entries with incorrect language header",
"parents": [],
"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 Asturian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Catalan translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with French translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Galician translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Italian translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Portuguese translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"name": "Terms with Spanish translations",
"parents": [],
"source": "w"
},
{
"kind": "other",
"langcode": "en",
"name": "Functions",
"orig": "en:Functions",
"parents": [],
"source": "w"
},
{
"kind": "other",
"langcode": "en",
"name": "Mathematics",
"orig": "en:Mathematics",
"parents": [],
"source": "w"
}
],
"glosses": [
"A function of one real argument, whose value is zero when the argument is nonzero, and whose integral is one over any interval that includes zero."
],
"id": "en-Dirac_delta_function-en-noun-ZYbTVOeU",
"links": [
[
"mathematics",
"mathematics"
]
],
"raw_glosses": [
"(mathematics) A function of one real argument, whose value is zero when the argument is nonzero, and whose integral is one over any interval that includes zero."
],
"related": [
{
"sense": "function",
"word": "Kronecker delta function"
},
{
"sense": "function",
"word": "step function"
}
],
"topics": [
"mathematics",
"sciences"
],
"translations": [
{
"code": "ast",
"lang": "Asturian",
"sense": "function",
"tags": [
"feminine"
],
"word": "función delta de Dirac"
},
{
"code": "ca",
"lang": "Catalan",
"sense": "function",
"tags": [
"feminine"
],
"word": "funció delta de Dirac"
},
{
"code": "fr",
"lang": "French",
"sense": "function",
"tags": [
"feminine"
],
"word": "fonction delta de Dirac"
},
{
"code": "gl",
"lang": "Galician",
"sense": "function",
"tags": [
"feminine"
],
"word": "función delta de Dirac"
},
{
"code": "it",
"lang": "Italian",
"sense": "function",
"tags": [
"feminine"
],
"word": "funzione delta di Dirac"
},
{
"code": "pt",
"lang": "Portuguese",
"sense": "function",
"tags": [
"feminine"
],
"word": "função delta de Dirac"
},
{
"code": "es",
"lang": "Spanish",
"sense": "function",
"tags": [
"feminine"
],
"word": "función delta de Dirac"
}
],
"wikipedia": [
"Dirac delta function"
]
}
],
"word": "Dirac delta function"
}
{
"etymology_templates": [
{
"args": {
"1": "physicist",
"2": "",
"3": "",
"4": "",
"5": ""
},
"expansion": "physicist",
"name": "named-after/list"
},
{
"args": {},
"expansion": "|",
"name": "!"
},
{
"args": {
"1": "en",
"2": "Paul Dirac"
},
"expansion": "Paul Dirac",
"name": "lang"
},
{
"args": {
"1": "en",
"2": "Paul Dirac",
"nationality": "English",
"occupation": "physicist",
"wplink": "="
},
"expansion": "Named after English physicist Paul Dirac",
"name": "named-after"
}
],
"etymology_text": "Named after English physicist Paul Dirac.",
"forms": [
{
"form": "Dirac delta functions",
"tags": [
"plural"
]
},
{
"form": "Dirac delta",
"tags": [
"alternative"
]
},
{
"form": "Dirac's delta function",
"tags": [
"alternative"
]
},
{
"form": "Dirac's delta",
"tags": [
"alternative"
]
}
],
"head_templates": [
{
"args": {
"nolinkhead": "1"
},
"expansion": "Dirac delta function (plural Dirac delta functions)",
"name": "en-noun"
}
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"related": [
{
"sense": "function",
"word": "Kronecker delta function"
},
{
"sense": "function",
"word": "step function"
}
],
"senses": [
{
"categories": [
"English countable nouns",
"English entries with incorrect language header",
"English eponyms",
"English lemmas",
"English multiword terms",
"English nouns",
"Entries with translation boxes",
"Pages with 1 entry",
"Pages with entries",
"Terms with Asturian translations",
"Terms with Catalan translations",
"Terms with French translations",
"Terms with Galician translations",
"Terms with Italian translations",
"Terms with Portuguese translations",
"Terms with Spanish translations",
"en:Functions",
"en:Mathematics"
],
"glosses": [
"A function of one real argument, whose value is zero when the argument is nonzero, and whose integral is one over any interval that includes zero."
],
"links": [
[
"mathematics",
"mathematics"
]
],
"raw_glosses": [
"(mathematics) A function of one real argument, whose value is zero when the argument is nonzero, and whose integral is one over any interval that includes zero."
],
"topics": [
"mathematics",
"sciences"
],
"wikipedia": [
"Dirac delta function"
]
}
],
"translations": [
{
"code": "ast",
"lang": "Asturian",
"sense": "function",
"tags": [
"feminine"
],
"word": "función delta de Dirac"
},
{
"code": "ca",
"lang": "Catalan",
"sense": "function",
"tags": [
"feminine"
],
"word": "funció delta de Dirac"
},
{
"code": "fr",
"lang": "French",
"sense": "function",
"tags": [
"feminine"
],
"word": "fonction delta de Dirac"
},
{
"code": "gl",
"lang": "Galician",
"sense": "function",
"tags": [
"feminine"
],
"word": "función delta de Dirac"
},
{
"code": "it",
"lang": "Italian",
"sense": "function",
"tags": [
"feminine"
],
"word": "funzione delta di Dirac"
},
{
"code": "pt",
"lang": "Portuguese",
"sense": "function",
"tags": [
"feminine"
],
"word": "função delta de Dirac"
},
{
"code": "es",
"lang": "Spanish",
"sense": "function",
"tags": [
"feminine"
],
"word": "función delta de Dirac"
}
],
"word": "Dirac delta function"
}
Download raw JSONL data for Dirac delta function meaning in English (2.9kB)
This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2025-07-20 from the enwiktionary dump dated 2025-07-01 using wiktextract (45c4a21 and f1c2b61). 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.