tetravalent
(adjective) haveing a valence of four
Source: WordNet® 3.1
tetravalent (not comparable)
(chemistry) Having an atomic valence of 4.
(medicine) Having a vaccine valence of 4.
• quadrivalent
Source: Wiktionary
Te*trav"a*lent, a. Etym: [Tetra- + L. valens, -entis, p.pr.] (Chem.)
Definition: Having a valence of four; tetratomic; quadrivalent.
Source: Webster’s Unabridged Dictionary 1913 Edition
13 June 2025
(noun) an aircraft that has a fixed wing and is powered by propellers or jets; “the flight was delayed due to trouble with the airplane”
Coffee is a brewed drink prepared from roasted coffee beans, the seeds of berries from certain Coffea species. When coffee berries turn from green to bright red – indicating ripeness – they are picked, processed, and dried. Dried coffee seeds are roasted to varying degrees, depending on the desired flavor.
