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Related to frictional: frictional electricity, Frictional force, Frictional torque


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.


(ˈfrɪk ʃə nl)

1. pertaining to or of friction.
2. moved or produced by friction.
fric′tion•al•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.frictional - pertaining to or worked or produced by friction; "frictional electricity"; "frictional heat"; "frictional gearing"
References in periodicals archive ?
Slip-critical connections rely on the clamping force from bolts to develop frictional shear stresses to transfer force from one bridge element to the next.
Angel hair and streamers are primarily a result of frictional heat and abrasion caused by relatively soft resins (like PE or PP) rubbing against smooth-walled pipes and elbows.
The Syntium oil is produced to minimise the tendency oil thickening at high operating temperatures, reducing wear and tear for prolonged engine life, optimising the engine's performance while also bringing down the frictional losses and wear during cold start-ups.
Safety & protection, electrical insulation, filtration, frictional materials, optical fiber cables, rubber and tire reinforcements are among the current applications in which aramid fibers have been mostly utilized.
Smooth, quiet, efficient operation is the result, as well as decreased energy use because of the reduction of frictional drag on electric motors.
The first of the company's recent additions is the 'Pace' series, which includes masterbatches based on solvent black (nigrosine) and/or carbon black as well as formulations offering improvements in frictional properties or heat stabilisation.
As surface friction intensifies the stress gradient and magnitude, for a frictional value of 0.
Entrepreneurial incentive, frictional vacancy, feasibility rent, equilibrium rent, affordability analysis, and market analysis are some tools that can be used to estimate where in the fundamental cycle a market is currently.
The EL 24 also is said to offer better frictional resistance and compression behavior than conventional elastomer feed rollers.
Each filling unit features a platinum-cured silicone rolling diaphragm that isolates the piston head from the cylinder, eliminating frictional contact between the two components for a virtually zero particulate operation.
Really cold ice debris is as frictional as beach sand," McKinnon says.
Our analysis demonstrates that this feature places limits on catastrophe bond penetration, even if the structure possesses frictional cost advantages over reinsurance.