aerology

noun

aer·​ol·​o·​gy

er-ˈä-lə-jē

plural -es

1

: meteorology

2

: the branch of meteorology that deals especially with the description and discussion of the phenomena of the free air as revealed by kites, ballons, airplanes, and clouds

Word History

Etymology

aero- + -logy (perhaps after French aérologie)

First Known Use

1735, in the meaning defined at sense 1

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!