quad·ri·va·lent
ˌkwä-drə-ˈvā-lənt 
in sense 2
kwä-ˈdri-və-lənt
1
2
: composed of four homologous chromosomes synapsed in meiotic prophase
: a quadrivalent chromosomal group
Examples of quadrivalent in a Sentence
Recent Examples on the Web
Beth Mole, Ars Technica, 5 Oct. 2023
But the makers of quadrivalent vaccines largely only have licenses to make quadrivalent vaccines—not trivalent ones.
—Beth Mole, Ars Technica, 5 Oct. 2023
Alexander Tin, CBS News, 29 Feb. 2024
Then the quadrivalent Gardasil was administered until 2023, when the nonavalent Gardasil 9 was introduced.
—Annalisa Merelli, STAT, 25 Jan. 2024
See all Example Sentences for quadrivalent 
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
There are two formulations of flu vaccines: trivalent vaccines and quadrivalent ones.
—Beth Mole, Ars Technica, 5 Oct. 2023
But the makers of quadrivalent vaccines largely only have licenses to make quadrivalent vaccines—not trivalent ones.
—Beth Mole, Ars Technica, 5 Oct. 2023
Noun
That could effectively open up one of the seats in the vaccines, dropping them next season from quadrivalent formulations – targeting four different antigens in a single shot – to trivalent.
—Alexander Tin, CBS News, 29 Feb. 2024
Then the quadrivalent Gardasil was administered until 2023, when the nonavalent Gardasil 9 was introduced.
—Annalisa Merelli, STAT, 25 Jan. 2024
See all Example Sentences for quadrivalent
Dictionary Entries Near quadrivalent
Cite this Entry
“Quadrivalent.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quadrivalent. Accessed 24 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share