noun
Usage: usually capitalized R
Etymology: after Baron John W. S. Rayleigh
: an equation expressing the proportions in which red and green must be mixed to appear to match a given yellow in a test for anomalous color vision
noun
Usage: usually capitalized R
Etymology: after Baron John W. S. Rayleigh
: an equation expressing the proportions in which red and green must be mixed to appear to match a given yellow in a test for anomalous color vision
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012