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film speed

noun

, Photography.

film speed

noun

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

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Word History and Origins

Origin of film speed1

First recorded in 1910–15

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Example Sentences

Film speed, immediate development, portable sound equipment.

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filmsettingfilm star

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