friction Meaning in the Cambridge English Dictionary
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Meaning of “friction” in the English Dictionary

"friction" in British English

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frictionnoun [U]

uk   us   /ˈfrɪk.ʃən/

friction noun [U] (FORCE)

the ​force that makes it ​difficult for one ​object to ​slide along the ​surface of another or to ​move through a ​liquid or ​gas: When you ​rubyourhands together the friction ​producesheat.

friction noun [U] (DISAGREEMENT)

disagreement or ​unfriendlinesscaused by ​people having different ​opinions: There's a lot of friction between my ​wife and my ​mother. Politics is a ​source of ​considerable friction in ​ourfamily. Border ​clashes have ​led to ​increased friction between the two ​countries.
frictional
adjective uk   us   /-əl/
(Definition of friction from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"friction" in American English

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frictionnoun [U]

 us   /ˈfrɪk·ʃən/

friction noun [U] (FORCE)

physics the ​force that ​works against an ​object as it ​slides along the ​surface of another ​object or moves through a ​liquid or ​gas: A ​gasolineengineloses over 70 ​percent of ​itsenergy to friction and ​heat.

friction noun [U] (DISAGREEMENT)

disagreement or ​dislike caused by ​people having different ​opinions: There’s less friction in ​relationships when you use ​teamwork.
frictional
adjective [not gradable]  /ˈfrɪk·ʃə·nəl/ physics
frictionless
adjective  us   /ˈfrɪk·ʃən·ləs/ physics
(Definition of friction from the Cambridge Academic Content Dictionary © Cambridge University Press)
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