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单词 airglow
释义

airglown.

Brit. /ˈɛːɡləʊ/, U.S. /ˈɛrˌɡloʊ/
Origin: Formed within English, by compounding. Etymons: air n.1, glow n.
Etymology: < air n.1 + glow n.
Atmospheric Physics.
Electromagnetic radiation emitted by excited atoms in the upper atmosphere (and not associated with aurorae); a uniform faint glow in the night sky caused by such radiation.
ΘΚΠ
the world > matter > light > naturally occurring light > [noun] > light from the sky > light of night sky
skylight1644
night light1648
fairy light1792
nightglow1843
airglow1949
1911 Proc. Royal Soc. A. 85 220 The yellow one [sc. spectrum band]..imparts a yellow colour to the glow, not very dissimilar to that of the afterglow in air, due to the union of nitric oxide and ozone. The two glows are, however, instantly distinguished by the spectroscope, the air glow giving a continuous spectrum.]
1949 Obituary Notices Fellows Royal Soc. 6 514 Nitric oxide was found to react with it [sc. ‘active nitrogen’] giving the greenish-yellow glow similar to the airglow.
1960 A. MacLean Night without End iii. 45 You all know roughly what we're doing stuck out here on the plateau—meteorology, glaciology, the study of the earth's magnetism, the borealis, airglow, ionosphere, cosmic rays.
1992 S. P. Maran Astron. & Astrophysics Encycl. 41/1 Airglow emanating from the terrestrial atmosphere enters the telescope from the lowest few hundred kilometers above Earth's surface.
2000 A. Upgren Night has Thousand Eyes ii. 16 The airglow is green, but it is usually so faint that human eyesight cannot come close to detecting it.
This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021).
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n.1949
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