/ Dictionary / Index H half-wave rectifier: Meaning and Definition of Find definitions for: half'-wave rec'tifier Pronunciation: [key] — Electronics. Electronics. a rectifier that changes only one half of a cycle of alternating current into a pulsating, direct current. Cf. full-wave rectifier. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. half-wave plate halfway Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language