bivalent

/baษชหˆveษชlษ™nt/

IPA: /B IH1 V AH0 L AH0 N T/

noun
  1. 1

    Any bivalent chromosome.

adjective
  1. 1

    Having a valence of 2; having two ligands

  2. 2

    Of, or relating to a pair of homologous synapsed chromosomes that occur during meiosis.

  3. 3

    (of a vaccine) Protecting against two different viruses.

Source: https://en.wiktionary.org/wiki/bivalent