bivalence








adjective

  1. Chemistry.
    1. having a valence of two.
    2. having two valences, as aluminum with valences of two and three.
  2. Genetics. pertaining to associations of two homologous chromosomes.

noun

  1. Genetics. a pair of bivalent chromosomes, especially when pairing during meiosis.

noun

  1. logic philosophy the semantic principle that there are exactly two truth values, so that every meaningful statement is either true or falseCompare many-valued logic

adjective

  1. chem another word for divalent
  2. (of homologous chromosomes) associated together in pairs

noun

  1. a structure formed during meiosis consisting of two homologous chromosomes associated together
n.

1868; see bivalent + -ence.

adj.

1864, of chemicals, 1899, of chromosomes, from bi- + -valent, from Latin valentem, present participle of valere “be worth” (see valiant).

adj.

  1. Having a valence of 2; divalent.
  2. Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis; double.

n.

  1. A pair of homologous, synapsed chromosomes associated together during meiosis.

  1. Chemistry Having a valence of 2.
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