Definition of frictional in English:


Syllabification: fric·tion·al
Pronunciation: /ˈfrikSHənl


  • 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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elaborate ornamentation of a vocal melody