Definition of Fahrenheit
: relating or conforming to a thermometric scale on which under standard atmospheric pressure the boiling point of water is at 212 degrees above the zero of the scale, the freezing point is at 32 degrees above zero, and the zero point approximates the temperature produced by mixing equal quantities by weight of snow and common salt
—abbreviation F
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Merriam-Webster unabridged
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Time Traveler for Fahrenheit
The first known use of Fahrenheit was in 1753
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