aeronomy

noun
aer·​on·​o·​my | \ˌer-ˈä-nə-mē \

Definition of aeronomy 

: a science that deals with the physics and chemistry of the upper atmosphere of planets

Other Words from aeronomy

aeronomer \ -​mər \ noun
aeronomic \ ˌer-​ə-​ˈnä-​mik \ adjective
aeronomist \ ˌer-​ˈä-​nə-​mist \ noun

First Known Use of aeronomy

1946, in the meaning defined above

History and Etymology for aeronomy

aero- + -nomy

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Time Traveler for aeronomy

The first known use of aeronomy was in 1946

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More from Merriam-Webster on aeronomy

Britannica.com: Encyclopedia article about aeronomy

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