/ Dictionary / Index A AND circuit: Meaning and Definition of Find definitions for: AND' cir"cuit Pronunciation: (and), [key] — Computers. Computers. a circuit that is energized only when all of its inputs are energized. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. andantino Andean Related Content Daily Word Quiz: laudable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language