different between illumination vs airglow

English

Etymology

Borrowed from Middle French illumination, from Late Latin illuminatio, from Latin illumino.

Pronunciation

• (General American) IPA^(key): /??lum??ne???n/
• (Received Pronunciation) IPA^(key): /??l(j)um??ne???n/
• Rhymes: -e???n
• Hyphenation: il?lu?mi?na?tion

Noun

illumination (countable and uncountable, plural illuminations)

1. The act of illuminating, or supplying with light; the state of being illuminated.
2. Festive decoration of houses or buildings with lights.
3. Adornment of books and manuscripts with colored illustrations. See illuminate (transitive verb).
4. (figuratively) Splendour; brightness.
5. (figuratively) Enlightening influence; inspiration.

Synonyms

• lumination (rare)

Translations

French

Etymology

Borrowed from Late Latin illuminatio, illuminationem, from Latin illumino.

Pronunciation

• IPA^(key): /i.ly.mi.na.sj??/

Noun

illumination f (plural illuminations)

1. enlightenment (philosophy and psychology related to achieving clarity of perception, reason and knowledge)
2. illumination, lighting

Related terms

• illuminer

Further reading

• “illumination” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

English

Etymology

air +? glow

Noun

airglow (usually uncountable, plural airglows)

1. A faint illumination in the sky due to photochemical luminescence in the upper atmosphere, now rarely observed by earthbound humans without the assistance of instruments.

Synonyms

• (faint illumination due to photochemical luminescence): electroglow

Hyponyms

• (faint illumination due to photochemical luminescence): nightglow, dayglow

References

• airglow on Wikipedia.Wikipedia
• airglow on Wikimedia Commons.Wikimedia Commons