Atmos clock: Meaning and Definition of

At'mos clock"

Pronunciation: (at'mus), [key]
— Trademark. Trademark.
  1. 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.