Physics. surface resistance to relative motion, as of a body sliding or rolling.
the rubbing of the surface of one body against that of another: Rubber on pavement has more friction than steel wheel on steel rail.
dissension or conflict between people, nations, etc., because of differing ideas, wishes, etc.: Friction between family members can escalate during a heat wave, as extreme weather can cause tempers to fray.
- fric·tion·less, adjective
- fric·tion·less·ly, adverb
- in·ter·fric·tion, noun
- non·fric·tion, noun
- self-fric·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use friction in a sentence
The benefits for advertisers who reduce friction in the consumer journey are numerous, and they include the following outcomes.The race to frictionless consumer journeys is expanding beyond marketplaces | acuityads | September 10, 2020 | Digiday
Governments are also reducing the frictions, fees, and charges that bog down the system.
There is only pressure and friction on the surface of the wing—also on the rest of the aircraft, but for the purposes of thinking about gliding, it’s enough to consider only the wing.
Using a computer model, the team then calculated the friction each pattern would produce on ice, vinyl or hardwood floors.
That reduces friction and lets the molecules slide past each other more easily.Astronauts may be able to make cement with their own pee | Lisa Grossman | June 16, 2020 | Science News For Students
Higher shipping costs mean additional friction for companies working in the Canadian oil sands.
But as Garfield on television gained in popularity, the Peanuts connection became a source of friction.Garfield Television: The Cat Who Saved Primetime Cartoons | Rich Goldstein | November 5, 2014 | THE DAILY BEAST
The friction between Israelis and Palestinians is more than 60 years old, with the UN in the middle.
Due to heavy friction with the producers, the project fell through.‘Guardians of the Galaxy’ Filmmaker James Gunn on His Glorious Space Opera and Rise to the A-List | Marlow Stern | August 3, 2014 | THE DAILY BEAST
The media is going to want a horse race, and it is going to create friction between the base and her record.Can This Ornery Socialist Spoil the Clinton Coronation? | David Freedlander | July 2, 2014 | THE DAILY BEAST
The controlling leaders being out of gear the machine did not run smoothly: there was nothing but friction and tension.Napoleon's Marshals | R. P. Dunn-Pattison
There were usually six joints or sources of friction, between the key and the pallet.The Recent Revolution in Organ Building | George Laing Miller
This, of course, increased the friction and necessitated the use of a still stronger spring.The Recent Revolution in Organ Building | George Laing Miller
This of itself, without the friction, or load of water, is far more duty than ever was done before by an engine.Life of Richard Trevithick, Volume II (of 2) | Francis Trevithick
Meanwhile great friction arose between the general and his new commander-in-chief.Napoleon's Marshals | R. P. Dunn-Pattison
British Dictionary definitions for friction
a resistance encountered when one body moves relative to another body with which it is in contact
the act, effect, or an instance of rubbing one object against another
disagreement or conflict; discord
phonetics the hissing element of a speech sound, such as a fricative
perfumed alcohol used on the hair to stimulate the scalp
- frictional, adjective
- frictionless, adjective
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
Scientific definitions for friction
A force on objects or substances in contact with each other that resists motion of the objects or substances relative to each other.♦ Static friction arises between two objects that are not in motion with respect to each other, as for example between a cement block and a wooden floor. It increases to counterbalance forces that would move the objects, up to a certain maximum level of force, at which point the objects will begin moving. It is measured as the maximum force the bodies will sustain before motion occurs.♦ Kinetic friction arises between bodies that are in motion with respect to each other, as for example the force that works against sliding a cement block along a wooden floor. Between two hard surfaces, the kinetic friction is usually somewhat lower than the static friction, meaning that more force is required to set the objects in motion than to keep them in motion. See also drag.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cultural definitions for friction
The resistance of an object to the medium through which or on which it is traveling, such as air, water, or a solid floor.
The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.