QUADRIVALENT
Adjective
quadrivalent (not comparable)
(chemistry) Having a valence of four
(of a vaccine) Protecting against four different (usually flu) viruses.
(graph theory) Said of a graph: that all of its vertices have degree four.
Synonyms
• tetravalent
Noun
quadrivalent (plural quadrivalents)
(genetics) Any quadrivalent chromosome
Source: Wiktionary
Quad*riv"a*lent, a. Etym: [Quadri- + L. valens, -entis, p. pr. See Valence.] (Chem.)
Definition: Having a valence of four; capable of combining with, being replaced by, or compared with, four monad atoms; tetravalent; -- said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements.
Source: Webster’s Unabridged Dictionary 1913 Edition
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HABIT
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