trivalent

adjective
tri·​va·​lent | \ (ˌ)trī-ˈvā-lənt How to pronounce trivalent (audio) \

Definition of trivalent

1 : having a chemical valence of three
2 : conferring immunity to three different pathogenic strains or species a trivalent influenza vaccine

Examples of trivalent in a Sentence

Recent Examples on the Web As a first step, in April 2016 all countries switched from the trivalent version of OPV—which covers all three types of polio virus—to a bivalent one, which lacks the type 2 component. Leslie Roberts, Science | AAAS, 10 July 2019

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

First Known Use of trivalent

1865, in the meaning defined at sense 1

History and Etymology for trivalent

International Scientific Vocabulary

Learn More About trivalent

Time Traveler for trivalent

Time Traveler

The first known use of trivalent was in 1865

See more words from the same year

Dictionary Entries Near trivalent

trivalence

trivalent

trivalve

See More Nearby Entries 

Statistics for trivalent

Cite this Entry

“Trivalent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/trivalent. Accessed 8 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for trivalent

trivalent

adjective
tri·​va·​lent | \ (ˈ)trī-ˈvā-lənt How to pronounce trivalent (audio) \

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

WORD OF THE DAY

Test Your Vocabulary

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!