/ Dictionary / Index S standing wave: Meaning and Definition of Find definitions for: stand'ing wave' Pronunciation: [key] — Physics. Physics. a wave in a medium in which each point on the axis of the wave has an associated constant amplitude ranging from zero at the nodes to a maximum at the antinodes. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. standing room standish Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language