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单词 hydraulics
释义

hydraulicsn.

/hʌɪˈdrɔːlɪks//hʌɪˈdrɒlɪks/
Etymology: Plural of hydraulic adj. and n., after earlier names of sciences in -ics at -ic suffix 2.
That department of science which deals with the conveyance of water or other liquids through pipes or other artificial channels, and with the various mechanical applications of the force exerted by moving liquids. Often used in a wider sense, corresponding to what is now expressed by hydrokinetics or hydrodynamics.
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the world > matter > physics > mechanics > fluid mechanics > [noun] > hydraulics or hydromechanics
hydraulics1671
hydromechanics1851
1671 R. Boyle Some Considerations Usefulnesse Exper. Nat. Philos. (ed. 2) ii. ii. i. ii Hydrostaticks and hydraulicks, that teach us to make engines and contrivances for the lifting up, and for the conveying of water.
1729 S. Switzer Introd. Gen. Syst. Hydrostaticks & Hydraulicks Ded. sig. A ij I present this Volume of Hydrostaticks and Hydraulicks to your Patronage.
1794 R. J. Sulivan View of Nature I. 338 From what level, upon any principle of hydraulics, can these waters be supposed to be deduced?
1806 C. Hutton Course Math. (ed. 5) II. 221 Hydraulics is the science which treats of the motion of fluids, and the forces with which they act upon bodies.
1839 H. Hallam Introd. Lit. Europe IV. viii. 43 The more difficult science of hydraulics was entirely created by two disciples of Galileo, Castellio and Torricelli.
1855 R. W. Emerson Fort. Repub. in Wks. (1906) III. 387 It is a rule..in economy as well as in hydraulics, that you must have a source higher than your tap.
This entry has not yet been fully updated (first published 1899; most recently modified version published online December 2019).
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