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backlight

[ bak-lahyt ]
/ ˈbækˌlaɪt /
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noun

Movies, Television. a light source placed behind an actor, object, or scene to create a highlight that separates the subject from the background: Put a backlight on that rain to make it more visible in this evening shot.
Electronics. the light source, often LED arrays, behind the screen of a flat-panel electronic display, as a television, computer monitor, or smartphone: A full-array LED backlight gives the picture a deeper color range than an edge-lit screen would.

verb (used with object), back·light·ed or back·lit, back·light·ing.

to illuminate from behind: One of the wedding photos is just a silhouette of the couple backlighted by the sunset on the beach.The hallway lamp backlit Mom when she cracked our bedroom door to check on us and whisper goodnight.

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Origin of backlight

First recorded in 1950–55; back1 + light1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for backlight

back light

noun

light falling on a photographic or television subject from the rear
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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