may refer to:
As a term:
- Crankshaft , the part of a piston engine which translates reciprocating linear piston motion into rotation
- Crankset , the component of a bicycle drivetrain that converts the reciprocating motion of the rider's legs into rotational motion used to drive the chain, which in turn drives the rear wheel
- Crank (mechanism) , in mechanical engineering, a bent portion of an axle, or shaft, or an arm keyed at right angles to the end of a shaft, by which motion is imparted to or received from it
- in mathematics, used to explain congruence patterns in Integer Partition s, as coined by Freeman Dyson
As a term:
In :
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