LUMENS

Noun

lumens

plural of lumen

Source: Wiktionary


LUMEN

Lu"men, n.; pl. L. Lumina (#), E. Lumens (#). [L., light, an opening for light.]

1. (Photom.) (a) A unit of illumination, being the amount of illumination of a unit area of spherical surface, due to a light of unit intensity placed at the center of the sphere. (b) A unit of light flux, being the flux through one square meter of surface the illumination of which is uniform and of unit brightness.

2. (Biol.) An opening, space, or cavity, esp. a tubular cavity; a vacuole.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

3 February 2025

CRAZY

(adjective) possessed by inordinate excitement; “the crowd went crazy”; “was crazy to try his new bicycle”


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Coffee Trivia

In 1511, leaders in Mecca believed coffee stimulated radical thinking and outlawed the drink. In 1524, the leaders overturned that order, and people could drink coffee again.

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