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Definition of Rankine scale
1. Noun. A scale of absolute temperature in Fahrenheit degrees; the freezing point of water is 491.69 degrees and the boiling point of water is 671.69 degrees.
Generic synonyms: Temperature Scale
Medical Definition of Rankine scale
1. A thermometer scale in which each degree Rankine (°Rank) is equal to the Fahrenheit but applied to the absolute temperature scale with its zero point at absolute zero; °Rank = °F + 459.67. (05 Mar 2000)