an absolute scale of temperature in which the unit of temperature is equal to that on the Fahrenheit scale and the zero value of temperature is equal to –459.67°F: Compare Kelvin scale
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Scientific definitions for Rankine scale
A scale of absolute temperature having the same degree increments as those of the Fahrenheit scale, in which the freezing point of water is 491.69° and the boiling point is 671.69°. A temperature in degrees Fahrenheit is converted to a temperature in degrees Rankine by the addition of 459.67°.
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