hydraulic

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• Hydraulic — Hy*drau lic, a. [F. hydraulique, L. hydraulicus, fr. Gr. ?, ?, a water organ; y dwr water + ? flute, pipe. See {Hydra}.] Of or pertaining to hydraulics, or to fluids in motion; conveying, or acting by, water; as, an hydraulic clock, crane, or… …   The Collaborative International Dictionary of English

• hydraulic — hy‧draul‧ic [haɪˈdrɒlɪk, ˈdrɔː ǁ ˈdrɒː ] adjective moved or operated by the pressure of water or other liquids: • The factory makes hydraulic cylinders for use in the steel industry. hydraulically adverb : • hydraulically operated doors * * *… …   Financial and business terms

• hydraulic — [hī drô′lik, hīdrä′lik] adj. [Fr hydraulique < L hydraulicus < Gr hydraulikos, of a water organ < hydraulis, water organ < hydōr, WATER + aulos, tube, pipe < IE base * aulos > (with metathesis) L alvus, the belly] 1. of… …   English World dictionary

• hydraulic — c.1600, from Gk. hydraulikos organon water organ, from hydr , stem of hydor water (see WATER (Cf. water) (n.1)) + aulos musical instrument, hollow tube (see ALVEOLUS (Cf. alveolus)). Extended by the Romans to other kinds of water engines …   Etymology dictionary

• hydraulic — ► ADJECTIVE 1) relating to a liquid moving in a confined space under pressure. 2) relating to the science of hydraulics. 3) (of cement) hardening under water. DERIVATIVES hydraulically adverb. ORIGIN Greek hudraulikos, from hudro water + aulos… …   English terms dictionary

• hydraulic — adj. 1 (of water, oil, etc.) conveyed through pipes or channels usu. by pressure. 2 (of a mechanism etc.) operated by liquid moving in this manner (hydraulic brakes; hydraulic lift). 3 of or concerned with hydraulics (hydraulic engineer). 4… …   Useful english dictionary

• hydraulic — adjective Etymology: Latin hydraulicus, from Greek hydraulikos, from hydraulis hydraulic organ, from hydr + aulos reed instrument more at alveolus Date: 1661 1. operated, moved, or effected by means of water 2. a. of or relating to hydraulics …   New Collegiate Dictionary

• hydraulic — hy|draul|ic [haıˈdrɔlık, ˈdro: US ˈdro: ] adj [usually before noun] [Date: 1600 1700; : Latin; Origin: hydraulicus, from Greek, from hydraulis organ worked by water ] moved or operated by the pressure of water or other liquid ▪ a hydraulic pump ▪ …   Dictionary of contemporary English

• hydraulic — [[t]haɪdrɒ̱lɪk, AM drɔ͟ːl [/t]] ADJ: ADJ n Hydraulic equipment or machinery involves or is operated by a fluid that is under pressure, such as water or oil. The boat has no fewer than five hydraulic pumps. Derived words: hydraulically ADV ADV… …   English dictionary

• hydraulic — adjective (usually before noun) moved or operated by the pressure of water on other liquid: a hydraulic pump | hydraulic brakes hydraulically / kli/ adverb …   Longman dictionary of contemporary English

• hydraulic — UK [haɪˈdrɔːlɪk] / US [haɪˈdrɔlɪk] adjective science a hydraulic machine uses the pressure of water or oil to make it work a hydraulic pump …   English dictionary