- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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