bivalent

1 of 2

adjective

bi·​va·​lent (ˌ)bī-ˈvā-lənt How to pronounce bivalent (audio) ˈbī-və- How to pronounce bivalent (audio)
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

2 of 2

noun

: a pair of synaptic chromosomes

Examples of bivalent in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
About 17% have gotten the most recent bivalent booster. Kwasi Gyamfi Asiedu, Austin American-Statesman, 16 Mar. 2024 Just around 17 percent of the US population has received bivalent vaccines, which became widely available in the fall of 2022 and are meant to offer better protection against Omicron variants. Amanda Hoover, WIRED, 3 Aug. 2023
Noun
For the update, the advisers examined data suggesting that a monovalent vaccine, rather than a bivalent, would have a better shot at protecting against the latest omicron subvariants and reduce the chances of skewing immune responses back to the ancestral strain, which no longer circulates. Beth Mole, Ars Technica, 15 June 2023 Those over the age of 65 are now eligible for a second bivalent shot four months after their first. Youri Benadjaoud, ABC News, 21 Apr. 2023 See all Example Sentences for bivalent 

Word History

First Known Use

Adjective

1869, in the meaning defined at sense 1

Noun

circa 1934, in the meaning defined above

Time Traveler
The first known use of bivalent was in 1869

Dictionary Entries Near bivalent

Cite this Entry

“Bivalent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bivalent. Accessed 28 Nov. 2024.

Medical Definition

bivalent

1 of 2 adjective
bi·​va·​lent (ˈ)bī-ˈvā-lənt How to pronounce bivalent (audio)
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

bivalent

2 of 2 noun
: a pair of synaptic chromosomes
Last Updated: - Updated example sentences
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