- surface resistance to relative motion, as of a body sliding or rolling.
- the rubbing of the surface of one body against that of another.
- dissension or conflict between persons, nations, etc., because of differing ideas, wishes, etc.
Origin of friction
SynonymsSee more synonyms for friction on Thesaurus.com
Examples from the Web for friction
But as Garfield on television gained in popularity, the Peanuts connection became a source of friction.Garfield Television: The Cat Who Saved Primetime Cartoons
November 5, 2014
The friction between Israelis and Palestinians is more than 60 years old, with the UN in the middle.War of Words Between Israel and UN Continues
August 10, 2014
Friction between air and the weapon creates temperatures of up to 3,500 degrees Fahrenheit, hot enough to melt steel.Death at Five Times the Speed of Sound
June 23, 2014
And a coup probably would exacerbate the economic problems that months of friction, violence and impasse have wrought.Thailand’s Non-Coup Coup
May 21, 2014
The tablet, which Fujitsu hopes to release as early as 2015, works by fluctuating the friction between your finger and the screen.Your Dentist Is Watching You Brush
February 27, 2014
During all those six years there had been friction and bitterness between us.Cleo The Magnificent
The test of the amount of friction is the rate of loss of motion.
Mechanical, as when two different kinds of matter are subject to friction.
In the friction of these opposing wills, forces baneful to Man are generated.The Romance of the Soul
The explanation is certain—the heat was the result of the friction.The Story of a Tinder-box
Charles Meymott Tidy
- 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
Word Origin and History for friction
1560s, "a chafing, rubbing," from Middle French friction (16c.) and directly from Latin frictionem (nominative frictio) "a rubbing, rubbing down," noun of action from past participle stem of fricare "to rub," of uncertain origin. Sense of "resistance to motion" is from 1722; figurative sense of "disagreement, clash" first recorded 1761. Related: Frictional.
- The rubbing of one object or surface against another.
- A physical force that resists the relative motion or tendency to such motion of two bodies in contact.
- 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 resistance of an object to the medium through which or on which it is traveling, such as air, water, or a solid floor.