ˈkalˌyā- noun
Usage: capitalized C
Etymology: after A. Callier fl 1909 French photography expert
: the ratio of specular density to diffuse density — called also Q factor
ˈkalˌyā- noun
Usage: capitalized C
Etymology: after A. Callier fl 1909 French photography expert
: the ratio of specular density to diffuse density — called also Q factor
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012