/ Dictionary / Index A alternating voltage: Meaning and Definition of Find definitions for: al'ternating volt'age Pronunciation: [key] — Elect. Elect. a voltage that reverses direction in regular cycles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alternating series alternation Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language