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

— aer·on·o·mer \-mər\ noun

— aer·o·nom·ic \ˌer-ə-ˈnä-mik\ adjective

— aer·on·o·mist \ˌer-ˈä-nə-mist\ noun

1946

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