fluid coupling
- Machinery. an apparatus in which a fluid, usually oil, transmits torque from one shaft to another, producing an equal torque in the other shaft.
Show More
Compare hydraulic torque converter.
Origin of fluid coupling
First recorded in 1935–40
Also called hydraulic coupling.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018