follow Dictionary.com

Why was clemency trending last week?

airglow

[air-gloh] /ˈɛərˌgloʊ/
noun
1.
a dim light from the upper atmosphere caused by emissions from atoms and molecules ionized by solar radiation: observed at night (nightglow) during the day (dayglow) and at twilight (twilight glow) with each having slightly different characteristics.
Origin of airglow
1950-1955
1950-55; air1 + glow
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for airglow
  • After asking several astronomers, they are possible noctilucent clouds, airglow or faint aurora.
British Dictionary definitions for airglow

airglow

/ˈɛəˌɡləʊ/
noun
1.
the faint light from the upper atmosphere in the night sky, esp in low latitudes
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
airglow in Science
airglow
  (âr'glō')   
A faint photochemical luminescence in the upper atmosphere caused by the collision of x-rays and charged particles from the Sun with atoms and molecules, especially of oxygen, sodium, and the hydroxyl radical (OH). Airglow is strongest over low and middle latitudes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of the Day

Difficulty index for airglow

Some English speakers likely know this word

Word Value for airglow

11
13
Scrabble Words With Friends

Nearby words for airglow