/ Dictionary / Index V valence electron: Meaning and Definition of Find definitions for: va'lence elec"tron Pronunciation: [key] — Chem. Chem. an electron of an atom, located in the outermost shellof the atom, that can be transferred to or shared with another atom. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. valence Valencia Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language