/ ˈfærənhaɪt; NAmE / adjective
( abbr. F ) of or using a scale of temperature in which water freezes at 32° and boils at 212° :
fifty degrees Fahrenheit
► Fahr·en·heit noun [ U ]:
to give the temperature in Fahrenheit
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WORD ORIGIN
mid 18th cent.: named after Gabriel Daniel Fahrenheit (1686–1736), German physicist.