| 释义 |
pression Now rare.|ˈprɛʃən|
[a. F. pression (16th c. in Hatz.-Darm.), ad. L. pressiōn-em, n. of action f. premĕre: see press v.1]
1. The action of pressing; pressure.
1661Boyle Spring of Air (1682) 110 This is the difference between Pression and Suction, that suction makes such an adhesion and pression doth not. 1674Grew Disc. Mixture iv. §3 Weight it self is but Pression. 1880Nature XXI. 422/2 Under ordinary conditions of pression diamond will withstand a high temperature.
†2. In the Cartesian physics: Pressure or impulse communicated to and propagated through a fluid medium. Obs.
1672Newton in Phil. Trans. VII. 5089 Other Mechanical Hypotheses on which Light is supposed to be caused by any Pression or Motion whatsoever, excited in the aether by the agitated parts of Luminous bodies. 1704― Optics iii. (1721) 336 If Light consisted only in Pression propagated without actual Motion, it would not be able to agitate and heat the Bodies which refract and reflect it. 1756T. Amory Buncle (1770) I. 187 If the moon..by pression and attraction, was the principal cause of flux and reflux.
3. In massage: ‘A method of pressing or compressing the muscles, by means of the whole hand, the tips of the fingers, or the roulette’ (Syd. Soc. Lex.).
1887D. Maguire Art Massage i. (ed. 4) 15 In the sundry pressions he should not fatigue the patient. Ibid. ii. 27, I believe that a soft percussion..might accomplish the same result as massage by pression. |