/ Dictionary / Index A atmospheric tide: Meaning and Definition of Find definitions for: at'mospher'ic tide' Pronunciation: [key] — Meteorol. Meteorol. a movement of atmospheric masses caused by the gravitational attraction of the sun and moon and by daily solar heating. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. atmospherics atmospheric window Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language