See tetrad on Wiktionary
{
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"ref": "2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 177:",
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{
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],
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"ref": "2010, Richard Mabey, Weeds: How Vagabond Plants Gatecrashed Civilisation and Changed the Way We Think about Nature, London: Profile Books, →ISBN:",
"text": "They took figures for the abundance of invasive weeds mapped according to the normal grid unit of the 'hectad', or 10 × 10 km square, and then looked at how abundant these species were mapped at a much finer scale – in 'tetrads', or 2 × 2 km squares, inside these hectads.",
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}
],
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],
"id": "en-tetrad-en-noun-LaJmMLEd",
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],
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],
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[
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[
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"(chemistry) A tetravalent atom or radical."
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[
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],
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"ipa": "/ˈtɛtɹæd/",
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{
"_dis1": "1 24 16 28 4 22 6",
"code": "bg",
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"roman": "četvorka",
"sense": "Translations",
"tags": [
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},
{
"_dis1": "1 24 16 28 4 22 6",
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"sense": "Translations",
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{
"_dis1": "1 24 16 28 4 22 6",
"code": "fi",
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"sense": "Translations",
"word": "bivalentti"
},
{
"_dis1": "1 24 16 28 4 22 6",
"code": "fr",
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"sense": "Translations",
"tags": [
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],
"word": "tétrade"
},
{
"_dis1": "1 24 16 28 4 22 6",
"code": "de",
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"sense": "Translations",
"word": "Tetrade"
},
{
"_dis1": "1 24 16 28 4 22 6",
"code": "el",
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"roman": "tetráda",
"sense": "Translations",
"tags": [
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],
"word": "τετράδα"
},
{
"_dis1": "1 24 16 28 4 22 6",
"code": "io",
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"sense": "Translations",
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{
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"code": "it",
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"sense": "Translations",
"tags": [
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],
"word": "tetrade"
},
{
"_dis1": "1 24 16 28 4 22 6",
"code": "ru",
"lang": "Russian",
"roman": "tetrada",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "тетрада"
},
{
"_dis1": "1 24 16 28 4 22 6",
"code": "es",
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}
],
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{
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{
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{
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{
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"1": "en",
"2": "tetra",
"3": "ad"
},
"expansion": "tetra- + -ad",
"name": "confix"
}
],
"etymology_text": "From Ancient Greek τετράς (tetrás), analysable as tetra- + -ad.",
"forms": [
{
"form": "tetrads",
"tags": [
"plural"
]
}
],
"head_templates": [
{
"args": {},
"expansion": "tetrad (plural tetrads)",
"name": "en-noun"
}
],
"hyphenation": [
"tet‧rad"
],
"lang": "English",
"lang_code": "en",
"pos": "noun",
"senses": [
{
"categories": [
"English terms with quotations"
],
"examples": [
{
"ref": "2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 177:",
"text": "Religious movements and cults are often founded on a tetrad of elements: a prophet, a prophecy, a book, and a revelation.",
"type": "quote"
}
],
"glosses": [
"A group of four things."
],
"links": [
[
"group",
"group"
],
[
"four",
"four"
]
],
"synonyms": [
{
"word": "foursome"
},
{
"word": "quartet"
},
{
"word": "quartet"
}
]
},
{
"categories": [
"en:Biology"
],
"glosses": [
"Two pairs of sister chromatids (a dyad pair) aligned in a certain way and often on the equatorial plane during the meiosis process."
],
"links": [
[
"biology",
"biology"
],
[
"sister chromatids",
"sister chromatids"
],
[
"dyad",
"dyad"
],
[
"meiosis",
"meiosis"
]
],
"raw_glosses": [
"(biology) Two pairs of sister chromatids (a dyad pair) aligned in a certain way and often on the equatorial plane during the meiosis process."
],
"topics": [
"biology",
"natural-sciences"
]
},
{
"categories": [
"en:Biology"
],
"glosses": [
"A group of four haploid and immature pollen grains in tetrahedral fashion produced by meiotic microsporogenesis."
],
"links": [
[
"biology",
"biology"
]
],
"raw_glosses": [
"(biology) A group of four haploid and immature pollen grains in tetrahedral fashion produced by meiotic microsporogenesis."
],
"topics": [
"biology",
"natural-sciences"
]
},
{
"categories": [
"English terms with quotations",
"en:Cartography"
],
"examples": [
{
"ref": "2010, Richard Mabey, Weeds: How Vagabond Plants Gatecrashed Civilisation and Changed the Way We Think about Nature, London: Profile Books, →ISBN:",
"text": "They took figures for the abundance of invasive weeds mapped according to the normal grid unit of the 'hectad', or 10 × 10 km square, and then looked at how abundant these species were mapped at a much finer scale – in 'tetrads', or 2 × 2 km squares, inside these hectads.",
"type": "quote"
}
],
"glosses": [
"A unit of land area of two by two (that is, four) square kilometres."
],
"links": [
[
"cartography",
"cartography"
],
[
"unit",
"unit"
],
[
"land",
"land"
],
[
"area",
"area"
],
[
"square kilometre",
"square kilometre"
]
],
"raw_glosses": [
"(cartography) A unit of land area of two by two (that is, four) square kilometres."
],
"topics": [
"cartography",
"geography",
"natural-sciences"
]
},
{
"categories": [
"en:Chemistry"
],
"glosses": [
"A tetravalent atom or radical."
],
"links": [
[
"chemistry",
"chemistry"
],
[
"tetravalent",
"tetravalent"
],
[
"atom",
"atom"
],
[
"radical",
"radical"
]
],
"raw_glosses": [
"(chemistry) A tetravalent atom or radical."
],
"topics": [
"chemistry",
"natural-sciences",
"physical-sciences"
]
},
{
"categories": [
"en:Mathematics"
],
"glosses": [
"A group of four basis vectors for a four-dimensional manifold in differential geometry."
],
"links": [
[
"mathematics",
"mathematics"
],
[
"basis",
"basis"
],
[
"vectors",
"vectors"
],
[
"manifold",
"manifold"
],
[
"differential geometry",
"differential geometry"
]
],
"raw_glosses": [
"(mathematics) A group of four basis vectors for a four-dimensional manifold in differential geometry."
],
"topics": [
"mathematics",
"sciences"
]
},
{
"categories": [
"en:Music"
],
"glosses": [
"A chord comprised of four notes; a tetrachord."
],
"links": [
[
"music",
"music"
],
[
"chord",
"chord"
],
[
"tetrachord",
"tetrachord"
]
],
"raw_glosses": [
"(music) A chord comprised of four notes; a tetrachord."
],
"topics": [
"entertainment",
"lifestyle",
"music"
]
}
],
"sounds": [
{
"ipa": "/ˈtɛtɹæd/",
"tags": [
"General-American",
"Received-Pronunciation"
]
},
{
"audio": "LL-Q1860 (eng)-Vealhurl-tetrad.wav",
"mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b4/LL-Q1860_%28eng%29-Vealhurl-tetrad.wav/LL-Q1860_%28eng%29-Vealhurl-tetrad.wav.mp3",
"ogg_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/b/b4/LL-Q1860_%28eng%29-Vealhurl-tetrad.wav/LL-Q1860_%28eng%29-Vealhurl-tetrad.wav.ogg"
}
],
"translations": [
{
"code": "bg",
"lang": "Bulgarian",
"roman": "četvorka",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "четворка"
},
{
"code": "fi",
"lang": "Finnish",
"sense": "Translations",
"word": "tetradi"
},
{
"code": "fi",
"lang": "Finnish",
"sense": "Translations",
"word": "bivalentti"
},
{
"code": "fr",
"lang": "French",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "tétrade"
},
{
"code": "de",
"lang": "German",
"sense": "Translations",
"word": "Tetrade"
},
{
"code": "el",
"lang": "Greek",
"roman": "tetráda",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "τετράδα"
},
{
"code": "io",
"lang": "Ido",
"sense": "Translations",
"word": "tetrado"
},
{
"code": "it",
"lang": "Italian",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "tetrade"
},
{
"code": "ru",
"lang": "Russian",
"roman": "tetrada",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "тетрада"
},
{
"code": "es",
"lang": "Spanish",
"sense": "Translations",
"tags": [
"feminine"
],
"word": "tétrada"
}
],
"wikipedia": [
"tetrad"
],
"word": "tetrad"
}
Download raw JSONL data for tetrad meaning in All languages combined (6.5kB)
This page is a part of the kaikki.org machine-readable All languages combined 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.