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direct lighting

noun
1.
lighting in which most of the light is cast directly from the fixture or source to the illumined area.
Origin of direct lighting
1925-1930
1925-30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for direct lighting
Historical Examples
  • For direct lighting, the engine must be governed so as not to vary more than five per cent in speed between no load and full load.

    Electricity for the farm Frederick Irving Anderson
  • Don't try to operate your spark coil with 110-volt direct lighting current without connecting in a rheostat.

    The Radio Amateur's Hand Book A. Frederick Collins
  • When photographing a small curved surface such as a test tube, direct lighting will usually create a high light.

    The Science of Fingerprints Federal Bureau of Investigation
  • direct lighting means that the rays from the lamp go directly into the room (Fig. 45).

    Mechanical Devices in the Home Edith Louise Allen
British Dictionary definitions for direct lighting

direct lighting

noun
1.
(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 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Difficulty index for direct lighting

Few English speakers likely know this word

Word Value for direct

9
10
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