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colour temperature
temperature of a Planckian radiator whose radiation has the same chromaticity as that of a given stimulus
Note 1 to entry: The colour temperature is expressed in kelvin (K).
Note 2 to entry: This entry was numbered 845-03-49 in IEC 60050-845:1987.
Note 3 to entry: This entry was numbered 17-231 in CIE S 017:2011.