Fahrenheit

adjective
Fahr·​en·​heit | \ ˈfer-ən-ˌhīt How to pronounce Fahrenheit (audio) \

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

Examples of Fahrenheit in a Sentence

It was 70 degrees Fahrenheit outside.

First Known Use of Fahrenheit

1753, in the meaning defined above

History and Etymology for Fahrenheit

Daniel G. Fahrenheit

Buying Guide

Our Reviews team has selected the best smart thermostats.

Learn More About Fahrenheit

Time Traveler for Fahrenheit

Time Traveler

The first known use of Fahrenheit was in 1753

See more words from the same year

Dictionary Entries Near Fahrenheit

fahlunite

Fahrenheit

Faial

See More Nearby Entries 

Statistics for Fahrenheit

Cite this Entry

“Fahrenheit.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Fahrenheit. Accessed 21 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for Fahrenheit

Fahrenheit

adjective
Fahr·​en·​heit | \ ˈfar-ən-ˌhīt How to pronounce Fahrenheit (audio) \

Kids Definition of Fahrenheit

: relating to or having a temperature scale on which the boiling point of water is at 212 degrees above the zero of the scale and the freezing point is at 32 degrees above zero

Fahrenheit

adjective
Fahr·​en·​heit | \ ˈfar-ən-ˌhīt How to pronounce Fahrenheit (audio) \

Medical 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

Fahrenheit biographical name

Fah·​ren·​heit | \ ˈfer-ən-ˌhīt How to pronounce Fahrenheit (audio) , ˈfa-rən-, ˈfär-ən- \

Definition of Fahrenheit

Daniel Gabriel 1686–1736 German physicist

More from Merriam-Webster on Fahrenheit

Nglish: Translation of Fahrenheit for Spanish Speakers

WORD OF THE DAY

Test Your Vocabulary

Name That Color

  • a light greenish blue color
  • Name that color:
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!