| 释义 |
frictional, a.|ˈfrɪkʃənəl|
[f. friction n. + -al1.]
Of or pertaining to friction, moved or produced by friction.
frictional electricity, electricity developed by friction (see electricity 1). frictional escapement in Watch and Cl.-making, an escapement receiving and transmitting motion by friction. frictional gearing (-wheels), wheels which transmit motion by friction instead of by teeth. frictional resistance, the resistance of surfaces due to friction; esp. the resistance to slipping of riveted joints by the contraction of the rivets (Lockwood).
1850Grove Corr. Phys. Forces (ed. 2) 23 The deflection of the magnetic needle..when resulting from frictional electricity. 1870Tyndall Lect. Electr. 17 By linking cells together we cause the voltaic current to approach more and more to the character of the frictional current. 1871Proctor Sun iv. 211 The frictional impulses of circulating planetary matter in process of subsidence into..the larger body. 1879Thomson & Tait Nat. Phil. I. i. §275 No relative motion can take place without meeting with frictional or other forms of resistance. 1884F. J. Britten Watch & Clockm. 107 The Cylinder, Verge, and Duplex are the best known examples of frictional escapements for watches. 1886A. Winchell Walks & Talks Geol. Field 101 Daily motions adequate to develop a large amount of frictional heat.
Hence ˈfrictionally adv., ‘as regards friction’ (Cassell 1882); by means or by way of friction.
1882[see above]. 1927T. Woodhouse Artificial Silk 90 These vertical discs impart motion frictionally to horizontal discs. |