LUMINA

LUMEN

lumen

(noun) a cavity or passage in a tubular organ; “the lumen of the intestine”

lumen, lm

(noun) a unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions

Source: WordNet® 3.1


Noun

lumina

plural of lumen

Anagrams

• alumni, minaul

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

19 April 2024

SUSPECT

(verb) hold in suspicion; believe to be guilty; “The U.S. suspected Bin Laden as the mastermind behind the terrorist attacks”


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Coffee Trivia

According to Guinness World Records, the largest coffee shop is the Al Masaa Café, which has 1,050 seats. The coffee shop was inaugurated in Riyadh, Saudi Arabia, on 13 August 2014.

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