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. Synonym: lm.
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"Lumen" Quotes from Famous Books — A Practical Physiology • Albert F. Blaisdell — En Route • J.-K. (Joris-Karl) Huysmans — Grace, Actual and Habitual • Joseph Pohle — Christmas in Ritual and Tradition, Christian and Pagan • Clement A. Miles |
Words linked to "Lumen" : cavum, bodily cavity, cavity, luminous flux unit, lm |
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