Dictionary

key light en · NOUN

Meanings

1. The most important light, used to highlight the form and dimension of the subject.
   • Age lines were drawn on McCarthy's face in red makeup, and when key lights with red filters were used, the lines were not visible. 2015, Don Presnell, Marty McGee, A Critical History of Television's The Twilight Zone, 1959-1964, page 57:

Forms