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Meaning of TETRAD

Pronunciation:  'tetrad

 
WordNet Dictionary
 
 Definition: 
[n]  the cardinal number that is the sum of three and one
 

TETRAD is a 6 letter word that starts with T.

 

 Synonyms: 4, four, foursome, IV, Little Joe, quadruplet, quartet, quatern, quaternary, quaternion, quaternity
 
 See Also: digit, figure

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Tet"rad\, n. [L. tetras, -adis, Gr. ?, ?: cf. F.
t['e]trade.]
1. The number four; a collection of four things; a
   quaternion.

2. (Chem.) A tetravalent or quadrivalent atom or radical; as,
   carbon is a tetrad.

 
Biology Dictionary
 
 Definition: 
  1. A pair of homologous chromosomes which have joined together (are synapsed) during prophase I and metaphase I of meiosis.
  2. A group of four; four pollen grains remaining fused together at maturity.
 

 

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