Tetrad Definition

tĕtrăd
noun
A group or set of four.
Webster's New World
An atom, radical, or element that is tetravalent.
Webster's New World
A group of four cells formed by division within a spore mother cell during meiosis.
Webster's New World
A group of four similar chromatids formed by the longitudinal division of a pair of homologous chromosomes during meiotic prophase.
Webster's New World

Other Word Forms of Tetrad

Noun

Singular:
tetrad
Plural:
tetrads

Origin of Tetrad

  • Greek tetras tetrad- kwetwer- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

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