aeronomy

[ ai-ron-uh-mee ]
/ ɛəˈrɒn ə mi /

noun

the study of chemical and physical phenomena in the upper atmosphere.

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Origin of aeronomy

First recorded in 1955–60; aero- + -nomy
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for aeronomy

aeronomy
/ (ɛəˈrɒnəmɪ) /

noun

the science of the earth's upper atmosphere
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for aeronomy

aeronomy
[ â-rŏnə-mē ]

The scientific study of the upper atmospheric regions of the Earth and other planets, where the ionization of gas takes place. Aeronomy is also concerned with the atmospheres around comets and satellites, or any other atmosphere where ionization, particularly of oxygen, takes place.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.