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American
[ai-ron -uh -mee]
/ ɛəˈrɒn ə mi /
noun
the study of chemical and physical phenomena in the upper atmosphere.
aeronomy
British
/ 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
aeronomy
Scientific
/ â-rŏn′ ə-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.
Etymology
First recorded in 1955–60; aero- + -nomy
Example Sentences
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The burgeoning aerospace field needs specialists in aeronomy and the ionosphere, experts in lunar and planetary studies.
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
