单词 | to damp out |
释义 | > as lemmasto damp out c. Acoustics, Music, etc. To stop the vibrations of a string or the like; to furnish (the strings of a pianoforte) with dampers. In wider use: to impose or to act as a resisting influence on (an oscillation or vibration of any kind) so that it is either progressively reduced in amplitude or, if the resistance is sufficiently great, converted into non-oscillatory return to an equilibrium position; also used with the oscillating body as object. So to damp out: to damp, to extinguish by damping. ΘΚΠ the world > matter > physics > mechanics > types of motion > [verb (transitive)] > damp oscillations or oscillating body damp1840 the world > movement > motion in specific manner > alternating or reciprocating motion > oscillation > oscillate [verb (transitive)] > impose or act as resisting influence damp1840 dampen1879 the world > movement > absence of movement > render immobile [verb (transitive)] > stop the movement of > arrest oscillation of > damp oscillation of damp1840 the world > movement > motion in specific manner > alternating or reciprocating motion > oscillation > vibration > vibrate [verb (transitive)] > impose or act as resisting influence absorb1791 damp1840 dampen1879 society > leisure > the arts > music > performing music > playing instruments > playing stringed instrument > play stringed instrument [verb (transitive)] > damp or mute surd1625 damp1840 1840 Penny Cycl. XVIII. 140 A piece of cloth..to damp or stop the string [in a clavichord]. 1883 A. J. Hipkins in Grove Dict. Music III. 636 The higher treble of the piano is not now damped. 1897 E. L. Nichols & W. S. Franklin Elem. Physics III. xv. 168 The vibrations of a heavy, elastic body, such as a tuning fork, are but slightly damped. 1899 Philos. Trans. (Royal Soc.) A. 192 247 Any natural vibrations of the suspended system would be rapidly damped out. 1927 E. G. Richardson Sound iv. 121 All vibrations of solids of whatever type are damped by internal friction. 1935 F. J. Camm Pract. Motorist's Encycl. 82/2 The leaf-springs of the car's suspension system..damp-out a large proportion of the road shocks and vibrations suffered by the wheels of the car. 1940 Illustr. London News 196 576 I was very impressed by the springing, which damped-out all but exceptionally bad bumps on the road. 1950 Engineering 7 Apr. 397/1 Spring-loaded clamping devices heavily damped by hydraulic means to provide virtually solid clamping. 1957 Encycl. Brit. XXIII. 175/1 The low elasticity of the gut causes these high constituents [of the note] to be quickly damped. 1961 W. G. Bickley & A. Talbot Introd. Theory Vibrating Syst. iv. 37 We consider the typical case of a mass m controlled by a spring of stiffness s damped by a resistance proportional to the speed. < as lemmas |
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