Fahrenheit

UK: /ˈfærənhaɪt/

US: /ˈfærənˌhaɪt/

US: (far′ən hīt′; Ger. fär′ən•hīt′)

WordReference Random House Learner's Dictionary of American English © 2025

Fahr•en•heit /ˈfærənˌhaɪt/   adj. 

1. Physics relating to or measured according to a temperature scale (ˈFahr•en•heit ˌscale) in which 32° represents the point at which ice forms, and 212° represents the point at which steam forms. [after a noun or number] The temperature is seventy degrees Fahrenheit. Symbol: F

Compare Celsius.

WordReference Random House Unabridged Dictionary of American English © 2025

Fahr•en•heit  (far′ən hīt′; Ger. fär′ən•hīt′), n. 

Ga•bri•el Da•ni•el  (Ger. gä′brē el′ dä′nē el′), 1686–1736, German physicist: devised a temperature scale and introduced the use of mercury in thermometers.

adj. 

1. Physics noting, pertaining to, or measured according to a temperature scale (Fahr′enheit scale′) in which 32° represents the ice point and 212° the steam point. Symbol: F See illus. under thermometer. 

Collins Concise English Dictionary © HarperCollins Publishers::

Fahrenheit / ˈfærənˌhaɪt/ adjective

1. of or measured according to the Fahrenheit scale of temperature
   Symbol: F

Fahrenheit / ˈfaːrənhait/ noun

1. Gabriel Daniel ( ˈɡaːbrieːl ˈdaːnieːl ). 1686–1736, German physicist, who invented the mercury thermometer and devised the temperature scale that bears his name