nightglow
|night-glow|
C1
🇺🇸
/ˈnaɪtˌɡloʊ/
🇬🇧
/ˈnaɪtˌɡləʊ/
faint night light
Etymology
Etymology Information
'nightglow' originates from the combination of 'night' and 'glow', where 'night' refers to the period of darkness and 'glow' means a steady radiance of light.
Historical Evolution
'nightglow' has remained relatively unchanged in its form and meaning since its inception in the English language.
Meaning Changes
Initially, it meant 'a glow occurring at night', and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Noun 1
a faint emission of light by a planetary atmosphere, occurring at night.
The nightglow was visible from the observatory.
Synonyms
Last updated: 2025/06/23 21:13