1

bivalent

adjective bi·va·lent \ (ˌ)bī-ˈvā-lənt , ˈbī-və- \
|Updated on: 9 Jul 2018

Definition of bivalent

1 chemistry having a valence of two : divalent
  • bivalent calcium
2 genetics : associated in pairs in synapsis
  • bivalent chromosomes
3 immunology : having two combining sites
  • a bivalent antibody capable of binding to two molecules of an antigen
4 medical : conferring immunity to two diseases or two serotypes
  • a bivalent vaccine

First Known Use of bivalent

1869

in the meaning defined at sense 1

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2

bivalent

noun

Definition of bivalent

: a pair of synaptic chromosomes

Recent Examples of bivalent from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bivalent.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of bivalent

circa 1934

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

1

bivalent

adjective bi·va·lent \ (ˈ)bī-ˈvā-lənt \

medical Definition of bivalent

1 a : divalent
  • bivalent calcium
b : having two combining sites
  • a bivalent antibody capable of binding to two molecules of an antigen
2 : associated in pairs in synapsis
  • bivalent chromosomes
3 : conferring immunity to two diseases or two serotypes
  • a bivalent vaccine protecting against hepatitis A and hepatitis B

2

bivalent

noun

medical Definition of bivalent

: a pair of synaptic chromosomes

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