Dictionary
back•light
Pronunciation: (bak'līt"), [key]
—n., v., -light•ed or -lit, -light•ing.
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n.
Motion Pictures, Television.a light source placed behind an actor, object, or scene to create a highlight that separates the subject from the background.
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v.t.
to illuminate (something) from behind.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.