direct lighting

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

Origin of direct lighting

First recorded in 1925–30

Words Nearby direct lighting Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use direct lighting in a sentence

  • direct lighting means that the rays from the lamp go directly into the room (Fig. 45).

    Mechanical Devices in the Home | Edith Louise Allen
  • 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
  • This difficulty may be due to the poor contrast of the ridges and furrows when using direct lighting.

    The Science of Fingerprints | Federal Bureau of Investigation
  • 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
  • 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

British Dictionary definitions for direct lighting

direct lighting

  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