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characteristic curve

noun
1.
Photography. a graph used in sensitometry to show the relationship between exposure time and image density under constant developing conditions.
Also called sensitometric curve.
Origin
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for characteristic curve

characteristic curve

noun
1.
(photog) a graph of the density of a particular photographic material plotted against the logarithm of the exposure producing this density
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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