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frictional

[frik-shuh-nl]
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adjective
  1. of, relating to, or of the nature of friction.
  2. moved, worked, or produced by friction.
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Origin of frictional

First recorded in 1840–50; friction + -al1
Related formsfric·tion·al·ly, adverbun·fric·tion·al, adjectiveun·fric·tion·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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