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fluid drive

noun

, Automotive.
  1. a power coupling for permitting a smooth start in any gear, consisting of two vaned rotors in a sealed casing filled with oil, such that one rotor, driven by the engine, moves the oil to drive the other rotor, which in turn drives the transmission.


fluid drive

noun

  1. a type of coupling for transmitting power from the engine of a motor vehicle to the transmission, using a torque converter Also calledfluid couplingfluid clutchfluid flywheel
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of fluid drive1

First recorded in 1940–45

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fluid dramfluid dynamics