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Definition of hydraulic adjective from the Oxford Advanced Learner's Dictionary

hydraulic

adjective
 
/haɪˈdrɒlɪk/
 
/haɪˈdrɔːlɪk/
[usually before noun]
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  1. (of water, oil, etc.) moved through pipes, etc. under pressure
    • hydraulic fluid
  2. (of a piece of machinery) operated by liquid moving under pressure
    • hydraulic brakes
  3. connected with hydraulic systems
    • hydraulic engineering
  4. Word Originearly 17th cent.: via Latin from Greek hudraulikos, from hudro- ‘water’ + aulos ‘pipe’.
See hydraulic in the Oxford Advanced American DictionarySee hydraulic in the Oxford Learner's Dictionary of Academic English
trait
noun
 
 
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