sensitometer

[ sen-si-tom-i-ter ]
/ ˌsɛn sɪˈtɒm ɪ tər /

noun Photography.

an instrument for testing the sensitivity of various types of film, consisting of an apparatus for exposing successive parts of the film to a light of standard intensity at successively increasing lengths of exposure.

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Origin of sensitometer

First recorded in 1875–80; sensit(ive) + -o- + -meter

OTHER WORDS FROM sensitometer

sen·si·to·met·ric [sen-suh-toh-me-trik], /ˌsɛn sə toʊˈmɛ trɪk/, adjectivesen·si·to·met·ri·cal·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for sensitometer

sensitometer
/ (ˌsɛnsɪˈtɒmɪtə) /

noun

an instrument for measuring the sensitivity to light of a photographic material over a range of exposures

Derived forms of sensitometer

sensitometry, noun
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