Also found in: Dictionary, Thesaurus, Medical, Financial, Wikipedia.
absolute scale[′ab·sə‚lüt ‚skāl]
A thermometer scale starting at absolute zero (approximately −273°C) and having degrees of the same magnitude as those of the Celsius thermometer. Thus, 0°C = 273 K. Named after first Lord Kelvin (1824–1907). Also called an absolute scale.