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[frik-shuh-nl] /ˈfrɪk ʃə nl/
of, relating to, or of the nature of friction.
moved, worked, or produced by friction.
Origin of frictional
1840-50; friction + -al1
Related forms
frictionally, adverb
unfrictional, adjective
unfrictionally, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for frictional
  • It lessens the frictional heat that the rubber compound creates as it flexes, stretches and recovers with each turn.
  • The same thin air that reduces frictional drag also reduces engine power, lift, and the effectiveness of control surfaces.
  • Reduced frictional loss wouldn't be enough to explain the claims on the website.
  • The team found a really good way to reduce frictional losses from the transmission: they did away with one altogether.
  • Also, because some people are always between jobs, there will usually be some frictional unemployment.
  • During braking, it becomes a generator, recapturing energy normally lost as frictional heat.
  • However, after the honeymoon period, usually it comes the frictional period.
  • It has two main components: frictional and structural unemployment.

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