natural light

Noun

natural light (uncountable)

1. Light as supplied by nature (nonmanmade light sources), such as (especially) the Sun or (sometimes) the Moon and the stars.
   • Continuous runs of patent glazing in the roof and walls, down to some 6 ft. above ground level, provide abundant natural light.1960 December, “New G.E. Line diesel loco maintenance depot at Stratford”, in Trains Illustrated, page 766
   • A bold geometric roof design is planned to allow natural light to flood onto the station concourse.2022 March 23, Stefanie Foster, “Updated designs unveiled for HS2's Euston Station”, in RAIL, number 953, page 22
2. (archaic, figuratively) Innate wisdom or knowledge.
   • ...unless we will wink against our own natural Light, we are without any further Scruple to acknowledge That God does exist.1662, Henry More, An Antidote Against Atheism, Book I, A Collection of Several Philosophical Writings of Dr. Henry More, p. 22

   Synonyms:

   light of nature