/ Dictionary / Index W wave function: Meaning and Definition of Find definitions for: wave' func"tion Pronunciation: [key] — Physics. Physics. a solution of a wave equation. (in quantum mechanics) a mathematical function, found by solving a quantum-mechanical wave equation, that is used to predict the outcome of measurements on physical systems. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wave front waveguide Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language