See under airglow.
What Does The Name “Mohammed” Mean?For the last 14 years, Jack was the most common boy’s name in England and Wales. Last year, though, Oliver overtook Jack to take the top spot. There’s a more interesting story, though, in the statistics: over 7,000 newborn boys in Britain were given one of 12 variations of the name Mohammed, such as Muhammad or Mohammad. Combined, these forms place it in the top …
What Do Double Entendres Mean?A double entendre is a subtle literary device that uses one statement to convey two very different meanings. Taken literally, a double entendre is usually an innocent statement that has no ironic or inappropriate overtones. Taken another way, the same statement often can mean something too indelicate to be said in polite company. A double entendre can also work in reverse, with an apparently dirty …
- twig blight,
- twig borer,
- twig girdler,
- twilight of the gods,
- twilight sleep,
- twilight state,
- twilight zone,
Origin of twilight glow
First recorded in 1810–20
[ air-gloh ]
/ ˈɛərˌgloʊ /
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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
/ (ˈɛəˌɡləʊ) /
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
[ 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.