Kelvin, William Thomson, 1st Baron

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Kelvin, William Thomson, 1st Baron (1824–1907) British physicist and mathematician, b. Belfast, after whom the absolute scale of temperature is named. The Kelvin temperature scale has its zero point at absolute zero and degree intervals the same size as the degree Celsius. The freezing point of water occurs at 273K (0°C or 32°F) and the boiling point at 373K (100°C or 212°F). In thermodynamics, he resolved conflicting interpretations of the first and second laws.

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