/ Dictionary / Index O ozone sickness: Meaning and Definition of Find definitions for: o'zone sick"ness Pronunciation: [key] — Pathol. Pathol. a condition characterized by chest pain, itchy eyes, and drowsiness, caused by exposure to ozone, as experienced in the atmospheres of smog and high-altitude airplanes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ozone layer ozonic ether Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language