/ Dictionary / Index A aerology: Meaning and Definition of Find definitions for: aer•ol•o•gy Pronunciation: (â-rol'u-jē), [key] — n. the branch of meteorology involving the observation of the atmosphere by means of balloons, airplanes, etc. (in former use by the U.S. Navy) meteorology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aerology (Thesaurus) aerolite aeromagnetic Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language