aer·​on·​o·​my ˌer-ˈä-nə-mē How to pronounce aeronomy (audio)
: a science that deals with the physics and chemistry of the upper atmosphere of planets
aeronomer noun
aeronomic adjective
aeronomist noun

Word History


aero- + -nomy

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of aeronomy was in 1946

Dictionary Entries Near aeronomy

Cite this Entry

“Aeronomy.” Dictionary, Merriam-Webster, Accessed 26 May. 2024.

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