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Vinony

aeronomy

noun

  1. study of the upper atmosphere
L29502 on Wikidata ↗

Wiktionary

noun

Etymology: From aero- (“air”) + -nomy (“a system of rules or laws about a particular field”).

  1. A branch of science that deals with the upper atmosphere of the Earth and the other planets with reference to their chemical composition, physical properties, relative motion, and responses to radiation from space.