twilight glow
noun
See under airglow.
Origin of twilight glow
First recorded in 1810–20
Words nearby twilight glow
twig blight,
twig borer,
twig girdler,
twiggy,
twilight,
twilight glow,
twilight of the gods,
twilight sleep,
twilight state,
twilight zone,
twilit
Definition for twilight glow (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 twilight glow
airglow
/ (ˈɛəˌɡləʊ) /
noun
the faint light from the upper atmosphere in the night sky, esp in low latitudes
Scientific definitions for twilight glow
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.