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

When cruising, the rear axles are disconnected to reduce frictional losses unless their traction is needed. Houston Chronicle, "Range Rover Evoque gets added finesse, mild-hybrid versions," 14 June 2019 At a certain velocity, the frictional forces such as drag and buoyancy equal the downward force of gravity and the object cannot go any faster. Quanta Magazine, "Solution: ‘A Random Place at the Table’," 26 May 2016 The problem is that such a system incurs higher frictional losses than a typical part-time, on-demand AWD system, and that reduces mileage. Dan Neil, WSJ, "2019 Subaru Forester: Do You Want Your Car to Spy on You?," 9 Nov. 2018 The maximum frictional force depends on two things. Rhett Allain, WIRED, "This Tug of War With a Lion Isn't About Strength—It's About Friction," 18 June 2018 This ball will essentially act like an object moving with a constant velocity since the frictional force is small. Rhett Allain, WIRED, "The Physics of the Speeder Chase in Solo: A Star Wars Story," 12 Mar. 2018 The jet itself is driven by the Earth’s uneven heat budget, with hot tropics and cold (though not matching) poles, and the Coriolis force, the frictional result of the Earth’s rotation. Geoff Fox, Slate Magazine, "Why Is It So Cold Outside?," 5 Jan. 2018 Silk, for instance, can help prevent frictional forces from creating premature wrinkles on your face, according to Joshua Zeichner, the director of cosmetic and clinical research in dermatology at Mount Sinai Hospital in New York City. Lauren Swanson, Allure, "9 Bed Sheet Sets That Will Make Your Bed Even More Luxurious," 19 Feb. 2018 But taken down to its coldest levels, a helium-4 superfluid knows no frictional boundaries. David Grossman, Popular Mechanics, "The Quest for Absolute Zero Turns Up Strange and Surreal Superfluids," 12 Oct. 2017

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

Statistics for frictional

Last Updated

19 Jun 2019

Look-up Popularity

Time Traveler for frictional

The first known use of frictional was in 1850

See more words from the same year

Comments on frictional

What made you want to look up frictional? Please tell us where you read or heard it (including the quote, if possible).


to complain fretfully

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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