direct-lighting

direct lighting

noun
lighting in which most of the light is cast directly from the fixture or source to the illumined area.

Origin:
1925–30

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
direct lighting
 
n
electrical engineering a lighting system in which a large proportion (at least 90 per cent) of the light is directed downwards

Collins English Dictionary - Complete & Unabridged 10th Edition
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