aeronomy

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

Origin of aeronomy

First recorded in 1955–60; aero- + -nomy

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aeronomy

The burgeoning aerospace field needs specialists in aeronomy and the ionosphere, experts in lunar and planetary studies.

From Time Magazine Archive

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023