tetrad

Fetched 2026-10-26 (cache).

Synonyms: tetra, tetra-, tetrao, tetras, retrad

Antonyms: tetra, tetra-, tetrao, tetras, retrad

Related words from Datamuse; suggestions, not definitions.

Noun

1. A [[group]] of [[four]] things.
2. {{lb|en|biology}} Two pairs of [[sister chromatids]] (a [[dyad]] pair) aligned in a certain way and often on the equatorial plane during the [[meiosis]] process.
3. {{lb|en|biology}} A group of four [[haploid]] and [[immature]] [[pollen grain]]s in [[tetrahedral]] fashion produced by [[meiotic]] [[microsporogenesis]].
4. {{lb|en|cartography}} A [[unit]] of [[land]] [[area]] of two by two (that is, four) [[square kilometre]]s.
5. {{lb|en|chemistry}} A [[tetravalent]] [[atom]] or [[radical]].
6. {{lb|en|mathematics}} A group of four [[basis]] [[vectors]] for a four-dimensional [[manifold]] in [[differential geometry]].
7. {{lb|en|music}} A [[chord]] comprised of four notes; a [[tetrachord]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.