WordReference Random House Unabridged Dictionary of American English © 2026
flu′id drive′, [Auto.]
- Automotivea 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.
- 1940–45
'fluid drive' also found in these entries (note: many are not synonyms or translations):