tetrad
Meaning
- A group of four things.
- Two pairs of sister chromatids (a dyad pair) aligned in a certain way and often on the equatorial plane during the meiosis process.
- A group of four haploid and immature pollen grains in tetrahedral fashion produced by meiotic microsporogenesis.
- A unit of land area of two by two (that is, four) square kilometres.
- A tetravalent atom or radical.
- A group of four basis vectors for a four-dimensional manifold in differential geometry.
- A chord comprised of four notes; a tetrachord.
Synonyms
Hyphenated as
tet‧rad
Pronounced as (IPA)
/ˈtɛtɹæd/
Etymology
From Ancient Greek τετράς (tetrás), analysable as tetra- + -ad.
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Notes