follow Dictionary.com

11 Trending Words of 2014

aeronomy

[ai-ron-uh-mee] /ɛəˈrɒn ə mi/
noun
1.
the study of chemical and physical phenomena in the upper atmosphere.
Origin
1955-1960
1955-60; aero- + -nomy
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for aeronomy

aeronomy

/ɛəˈrɒnəmɪ/
noun
1.
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
Cite This Source
aeronomy in Science
aeronomy
  (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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for aeronomy

Few English speakers likely know this word

Word Value for aeronomy

13
14
Scrabble Words With Friends