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hydraulics|haɪˈdrɔːlɪks, -ˈdrɒlɪks|
[Plural of hydraulic, after earlier names of sciences in -ics, q.v.]
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.
1671Boyle Usefulness Exp. Philos. 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. 1729Switzer Hydrost. & Hydraul. Ded. A ij, I present this Volume of Hydrostaticks and Hydraulicks to your Patronage. 1794Sullivan View Nat. I. 338 From what level, upon any principle of hydraulics, can these waters be supposed to be deduced? 1806Hutton Course Math. II. 221 Hydraulics is the science which treats of the motion of fluids, and the forces with which they act upon bodies. 1839Hallam Hist. Lit. ii. viii. IV. 43 The more difficult science of hydraulics was entirely created by two disciples of Galileo, Castellio and Torricelli. 1855Emerson Misc., Fort. Repub. Wks. III. 387 It is a rule..in economy as well as in hydraulics, that you must have a source higher than your tap. |