Meaning & use

friction

noun·Academic

Last updated

UK/ˈfrɪkʃn/
US/ˈfrɪkʃn/

Meanings

  1. noununcountablephysics

    The force that resists sliding when two surfaces touch and move against each other.

    Grammar: No plural in this sense: there is less friction on ice.

    Patterns

    • friction between something and something
    • reduce friction

    Oil reduces friction between the moving parts of the engine.

    Friction between the tires and the road helps the car stop.

    Rubbing your hands together creates friction and warmth.

  2. noununcountablefigurative

    Disagreement or bad feeling between people or groups, caused by differing wishes or opinions.

    Grammar: Often with between or over: friction between the two teams.

    Patterns

    • friction between people
    • friction over something

    There was friction between the two brothers over the family business.

    The new rule caused friction among the staff.

    Sharing a small kitchen led to daily friction.

Word forms

pluralfrictions

Common combinations

reduce friction
Wax helps reduce friction on the skis.
cause friction
The late arrivals caused friction in the group.
friction between
Friction between neighbors grew over the fence.
create friction
Rubbing the sticks together creates friction.
ease friction
A calm talk eased the friction.
friction over
There was friction over who would lead.

Synonyms and how they differ

conflict
Conflict is stronger and can mean open fighting, whereas friction is milder tension.
tension
Tension is a general feeling of strain, but friction suggests it comes from contact between people.
resistance
Resistance is the broader word for opposing force, while friction is about surfaces rubbing.
discord
Discord is a formal word for lack of agreement.

Opposites

Word family

frictional adjective
caused by or relating to friction
frictionless adjective
without friction
fricative noun
a speech sound made by forcing air through a narrow gap

Commonly confused: friction or fiction?

friction vs fiction

Fiction is invented stories; friction is rubbing or tension, and the two look similar when read fast.

Practice

The moving parts of the machine were coated with oil to reduce ___.

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