Definition of Fahrenheit in English:


Line breaks: Fahr¦en|heit
Pronunciation: /ˈfar(ə)nhʌɪt
, ˈfɑː-/
(abbreviation: F)


[postpositive when used with a numeral]
  • Of or denoting a scale of temperature on which water freezes at 32° and boils at 212° under standard conditions: the temperature was steady at 65° Fahrenheit
    More example sentences
    • If you heat up water to 212 degrees Fahrenheit, depending on pressure and so forth, it boils.
    • Water boils at 212 degrees Fahrenheit, or 100 degrees Celsius.
    • The tests included temperatures as cold as minus 112 degrees Fahrenheit to simulate the conditions of open space.


Back to top  
  • (also Fahrenheit scale) The Fahrenheit scale of temperature.
    More example sentences
    • The Fahrenheit and Celsius scales are based on two fixed points, the Kelvin and Rankine scales are based on one.
    • Likewise, we can measure temperatures on the Celsius or Fahrenheit scales.
    • The original zero point of the Fahrenheit temperature scale was set at the lowest temperature that could be reached in a mixture of salt and ice.


mid 18th century: named after Gabriel Daniel Fahrenheit (1686–1736), German physicist.

More definitions of Fahrenheit

Definition of Fahrenheit in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day kerf
Pronunciation: kəːf
a slit made by cutting with a saw