单词 | airglow |
释义 | airglow[ air-gloh ] / ˈɛərˌgloʊ / nouna 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 airglowFirst recorded in 1950–55; air1 + glow Words nearby airglowair freshener, air frost, air gap, air gas, air gauge, airglow, air guitar, air gun, air hammer, air harbor, air-hardening Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for airglowairglow / (ˈɛəˌɡləʊ) / nounthe 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 Scientific definitions for airglowairglow [ 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. |
随便看 |
英语词典包含192737条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。