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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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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