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Fahrenheit

American  
[far-uhn-hahyt, fahr-uhn-hahyt] / ˈfær ənˌhaɪt, ˈfɑr ənˌhaɪt /

noun

  1. Gabriel Daniel 1686–1736, German physicist: devised a temperature scale and introduced the use of mercury in thermometers.


adjective

  1. noting, pertaining to, or measured according to a temperature scale Fahrenheitscale in which 32° represents the ice point and 212° the steam point. F

Fahrenheit 1 British  
/ ˈfærənˌhaɪt /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Fahrenheit 2 British  
/ 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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Fahrenheit 1 Scientific  
/ fărən-hīt′ /
  1. Relating to or based on a temperature scale that indicates the freezing point of water as 32° and the boiling point of water as 212° under standard atmospheric pressure.


Fahrenheit 2 Scientific  
  1. German physicist who invented the mercury thermometer in 1714 and devised the Fahrenheit temperature scale.


Fahrenheit 1 Cultural  
  1. A temperature scale according to which water freezes at 32 degrees and boils at 212 degrees. The scale was devised by Gabriel Daniel Fahrenheit, an instrument maker of the eighteenth century, born in Germany.


Fahrenheit 2 Cultural  
  1. A temperature scale, used primarily in the United States, in which the freezing point of water is 32 degrees and the boiling point 212 degrees. Temperatures in this scale are denoted by °F or, in scientific usage, F alone. (Compare Celsius.)


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Global warming has hit Europe more severely than any other continent: Its average temperatures are now 4.5 degrees Fahrenheit above pre-industrial levels, according to Copernicus, the European Union’s climate data agency.

From Los Angeles Times Aug. 30, 2026

The system combines improved heat transfer with porous graphite felt that can reach temperatures above 2,550 degrees Fahrenheit.

From Science Daily Aug. 23, 2026

Research has shown that roughly half the decline in the river’s flow is because of higher temperatures, and for each 1.8 degrees Fahrenheit the region warms, the flow is likely to decrease about 9%.

From Los Angeles Times Aug. 18, 2026

A. Cooking produce to 158 degrees Fahrenheit is the surest way to eliminate the risk of contamination as it helps to kill most bacteria.

From The Wall Street Journal Jul. 31, 2026

“By ‘a fever of a hundred and four,’ you understood I meant Fahrenheit, right?

From "Landscape with Invisible Hand" by M.T. Anderson

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