bivalent

adjective
bi·​va·​lent | \(ˌ)bī-ˈvā-lənt, ˈbī-və- \

Definition of bivalent 

(Entry 1 of 2)

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

bivalent

noun

Definition of bivalent (Entry 2 of 2)

: a pair of synaptic chromosomes

Examples of bivalent in a Sentence

Recent Examples on the Web: Noun

In April of that year, the 155 countries still using the trivalent vaccine, which targets all three polio variants, replaced it with a bivalent vaccine with the type 2 component removed. Leslie Roberts, Science | AAAS, "Alarming polio outbreak spreads in Congo, threatening global eradication efforts," 2 July 2018

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

Adjective

1869, in the meaning defined at sense 1

Noun

circa 1934, in the meaning defined above

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Dictionary Entries near bivalent

biunial

biunique

-bius

bivalent

bivalve

Bivalvia

bivariant

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Time Traveler for bivalent

The first known use of bivalent was in 1869

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More Definitions for bivalent

bivalent

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

Medical Definition of bivalent 

(Entry 1 of 2)

1a : 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

bivalent

noun

Medical Definition of bivalent (Entry 2 of 2)

: a pair of synaptic chromosomes

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