characteristic curve

noun

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 of characteristic curve

First recorded in 1900–05

Words nearby characteristic curve

character study, character type, character witness, characterful, characteristic, characteristic curve, characteristic equation, characteristic function, characteristic polynomial, characteristic root, characteristic vector

British Dictionary definitions for characteristic curve

characteristic curve

noun

photog a graph of the density of a particular photographic material plotted against the logarithm of the exposure producing this density