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film speed

noun, Photography.
speed (def 5a).
Origin of film speed
First recorded in 1910-15 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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  • film speed, immediate development, portable sound equipment.

    Black Man's Burden Dallas McCord Reynolds
British Dictionary definitions for film speed

film speed

the sensitivity to light of a photographic film, specified in terms of the film's ISO rating
the rate at which the film passes through a motion picture camera or projector
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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