frictional

fric·tion

F0325600 (frĭk′shən)n.1. The rubbing of one object or surface against another.2. Conflict, as between persons having dissimilar ideas or interests; clash.3. Physics A force that resists the relative motion or tendency to such motion of two bodies or substances in contact.

[Latin frictiō, frictiōn-, from frictus, past participle of fricāre, to rub.]

fric′tion·al adj.fric′tion·al·ly adv.

fric•tion•al

(ˈfrɪk ʃə nl)

adj. 1. pertaining to or of friction. 2. moved or produced by friction. [1840–50] fric′tion•al•ly, adv.

Thesaurus

Adj.

frictional - pertaining to or worked or produced by friction; "frictional electricity"; "frictional heat"; "frictional gearing"