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ILLUMINATION UNIT

Pronunciation (US): Play  (GB): Play

 I. (noun) 

Sense 1

Meaning:

A measure of illuminationplay

Classified under:

Nouns denoting quantities and units of measure

Hypernyms ("illumination unit" is a kind of...):

light unit (a measure of the visible electromagnetic radiation)

Hyponyms (each of the following is a kind of "illumination unit"):

footcandle (a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle)

L; lambert (a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter)

lux; lx (a unit of illumination equal to 1 lumen per square meter; 0.0929 foot candle)

phot (a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux)

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