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lu•men-hour



Pronunciation: (lOO'mun-ouur", -ou"ur), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/lumen-hour.html on line 81 [key]
n. Optics.
a unit of luminous energy, equal to that emitted in 1 hour by a light source emitting a luminous flux of 1 lumen. Abbr.: lm-hr

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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