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Hasil cari dari kata atau frase: Lumens (0.01417 detik)
Found 2 items, similar to Lumens.
English → English (WordNet)
Definition: lumen
lumen
n 1: 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 [syn:
lm]
2: a cavity or passage in a tubular organ;
“the lumen of the
intestine”
[also:
lumina (pl)]
English → English (gcide)
Definition: Lumens
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.
[Webster 1913 Suppl.]
2. (Biol.) An opening, space, or cavity, esp. a tubular
cavity; a vacuole.
[Webster 1913 Suppl.]
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