Bible Dictionaries
Quadrivalent

Webster's Dictionary

(a.) 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.

Bibliography Information
Webster, Noah. Entry for 'Quadrivalent'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​q/quadrivalent.html. 1828.