dayglow
[ dey-gloh ]
/ ˈdeɪˌgloʊ /
noun
See under airglow.
Words nearby dayglow
daych,
daydream,
dayflower,
dayfly,
daygirl,
dayglow,
dayhop,
daylight,
daylight lamp,
daylight robbery,
daylight saving
Definition for dayglow (2 of 2)
airglow
[ air-gloh ]
/ ˈɛərˌgloʊ /
noun
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.
British Dictionary definitions for dayglow
airglow
/ (ˈɛəˌɡləʊ) /
noun
the faint light from the upper atmosphere in the night sky, esp in low latitudes
Scientific definitions for dayglow
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.