Photography. a graph used in sensitometry to show the relationship between exposure time and image density under constant developing conditions.
Words nearby characteristic curve
Origin of characteristic curve
First recorded in 1900–05
Also called sensitometric curve.
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British Dictionary definitions for characteristic curve
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