trivalent

adjective
tri·va·lent | \(ˌ)trī-ˈvā-lənt \

Definition of trivalent 

1 : having a chemical valence of three

2 : conferring immunity to three different pathogenic strains or species a trivalent influenza vaccine

First Known Use of trivalent

1865, in the meaning defined at sense 1

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The first known use of trivalent was in 1865

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More Definitions for trivalent

trivalent

adjective
tri·va·lent | \(ˈ)trī-ˈvā-lənt \

Medical Definition of trivalent 

(Entry 1 of 2)

1 : having a chemical valence of three

2 : conferring immunity to three different pathogenic strains or species a trivalent influenza vaccine

trivalent

noun

Medical Definition of trivalent (Entry 2 of 2)

: a group of three synapsed homologous chromosomes in meiosis

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