/ Dictionary / Index A Atmos clock: Meaning and Definition of Find definitions for: At'mos clock" Pronunciation: (at'mus), [key] — Trademark. Trademark. a brand of self-winding clock utilizing variations of temperature acting on a mercury thermometer to create an imbalance within the winding drum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. atmophile atmosphere Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language