sensitometryn.
/ˌsɛnsɪˈtɒmᵻtri/, U.S. /ˌsɛnsəˈtɑmətri/ The measurement of the sensitivity of photographic film, plates, etc., to light or radiation; the study of the response of photographic materials to exposure and processing.
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sensitometry1881
1881 Brit. Jrnl. Photogr. 25 Feb. 97/1 Photographic literature during the last six months has contained very numerous articles on the question of sensitometry.
1890 Anthony's Photogr. Bull. 21 168 The amyl acetate light for sensitometry offers by no means a particular advantage.
1907 S. E. Sheppard & C. E. K. Mees Investigations Theory Photogr. Process 276 Part III. The Sensitometry of Photographic Plates.
1951 R. Spottiswoode Film & its Techniques (1968) viii. 184 Errors in sensitometry are reflected throughout the entire developing process and will upset every other type of control.
1985 Globe & Mail (Toronto) (Nexis) 29 June Knowing the terminology and basic principles of sensitometry can be useful to the amateur photographer.
2009 F. E. Campeau & J. Fleitz Limited Radiography (ed. 3) xii. 402 Sensitometry is used to measure and predict how film density will change as radiation exposure factors and processing conditions change.
This entry has been updated (OED Third Edition, December 2016; most recently modified version published online March 2022).
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