fric·​tion·​al | \ ˈfrik-shnəl How to pronounce frictional (audio) , -shə-nᵊl \

Definition of frictional

1 : of or relating to friction
2 : moved or produced by friction

Keep scrolling for more

Other Words from frictional

frictionally adverb

Examples of frictional in a Sentence

Recent Examples on the Web However, the frictional force is greater than the artificial gravity at this location. Rhett Allain, Wired, 14 May 2021 Finally, there is the kinetic frictional force (FK). Rhett Allain, Wired, 29 Apr. 2021 This provides a frictional force and is the source of much of a tyre’s grip. Laurie Winkless, Forbes, 17 Mar. 2021 With only this tiny contact point supporting the pencil, the frictional force can't really exert any torque to stop it from rotating. Rhett Allain, Wired, 8 Mar. 2021 On the other hand, sidewinder snakes most likely phased out the spikes in favor of a smoother, frictionless belly that can move in any direction with no frictional drag. Elizabeth Gamillo, Smithsonian Magazine, 8 Feb. 2021 Unemployment insurance is designed to deal with frictional unemployment — your skills are still useful, there's still a market for your work. NBC News, 25 Nov. 2020 However, Toyota says downsizing helped create a lighter package with fewer frictional losses. Eric Stafford, Car and Driver, 30 Oct. 2020 The frictional force pushes to the left and underneath the center of mass. Rhett Allain, Wired, 21 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'frictional.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of frictional

1850, in the meaning defined at sense 1

Keep scrolling for more

Learn More about frictional

Time Traveler for frictional

Time Traveler

The first known use of frictional was in 1850

See more words from the same year

Statistics for frictional

Last Updated

18 May 2021

Cite this Entry

“Frictional.” Dictionary, Merriam-Webster, Accessed 14 Jun. 2021.

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


Test Your Vocabulary

Name that Thing: Dog Breeds

True or False

Test your knowledge - and maybe learn something along the way.


Anagram puzzles meet word search.

Love words? Need even more definitions?

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