colorimetry(redirected from Spectral reflecance)
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1. Any of various instruments used to determine or specify colors, as by comparison with spectroscopic or visual standards.
2. An instrument that measures the concentration of a known constituent of a solution by comparison with colors of standard solutions of that constituent.
col′or·i·met′ric (-ər-ə-mĕt′rĭk) adj.
the measurement of the physical intensity of colors, as opposed to their subjective brightness. — colorimeter, n. — colorimetric, colorimetrical, adj.See also: Color