the study of the atmosphere, particularly its upper layers
WordReference Random House Unabridged Dictionary of American English © 2026
aer•ol•o•gy
(â rol′ə jē),USA pronunciation n.
aer•o•log•ic
(âr′ə loj′ik),USA pronunciation aer′o•log′i•cal, adj.
aer•ol′o•gist, n.
- Meteorologythe branch of meteorology involving the observation of the atmosphere by means of balloons, airplanes, etc.
- Meteorology(in former use by the U.S. Navy) meteorology.
- 1745–55; aero- + -logy
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