Hyperonyms
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13634418-n:
a measure of the visible electromagnetic radiation
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Hyponyms
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13640371-n:
a unit of illuminance on a surface that is everywhere 1 foot from a point source of 1 candle
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Hyponyms
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13640520-n:
a cgs unit of illumination equal to the brightness of a perfectly diffusing surface that emits or reflects one lumen per square centimeter
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Hyponyms
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13640716-n:
a unit of illumination equal to 1 lumen per square meter; 0.0929 foot candle
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Hyponyms
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13640866-n:
a unit of illumination equal to 1 lumen per square centimeter; 10,000 phots equal 1 lux
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Glosses
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05018542-n:
the luminous flux incident on a unit area
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