Definition of frictional in English:

frictional

Syllabification: fric·tion·al
Pronunciation: /ˈfrikSHənl
 
/

adjective

Of or produced by the action of one surface or object rubbing against or moving over another: frictional drag
More example sentences
  • The horribly complex equations cover two pages, with factors including angular momentum, frictional force, angular velocity, axis of symmetry and gyroscopic balance.
  • Many systems, located on different parts of the body, involve surfaces with particular frictional properties.
  • The standard frictional force law makes sense only if the two surfaces are identical crystals, fitting together at the atomic level like a pair of gears.

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