| 单词 | hydraulic |
| 释义 | hydraulic (once / 3370 pages) adj The adjective hydraulic refers to a process using pressurized water or other fluid to generate great mechanical power, without the wear and tear of gears or levers. Hydraulic systems are popular for use in heavy-duty machinery. It might seem odd that the original Greek word hydraulikós from which hydraulic comes referred to water (hydra) and also to a musical instrument made from a hollow tube (aulos). You might ask, "What's a musical instrument got to do with hydraulics?" Well, you can see the connection when you know that something that's hydraulic means it is operated through the pressure of water or liquid through a pipe or hose, easily generating great force (instead of music). WORD FAMILYhydraulic: hydraulically, hydraulics USAGE EXAMPLESTheir six-year odyssey turned the village of Dimock into a battleground over the nation’s shale drilling and hydraulic fracturing boom. Washington Times(Dec 24, 2016) Such sculpting required great earthworking and hydraulic engineering, and Brown used techniques developed for the nascent industry of canal building. Washington Post(Dec 16, 2016) Some national forests in other states already allow hydraulic fracturing. Washington Times(Dec 17, 2016) 1adj moved or operated or effected by liquid (water or oil) hydraulic erosion hydraulic brakes 2adj of or relating to the study of hydraulics hydraulic engineer |
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