You searched for: “variable pitch propeller”
variable-pitch propeller (s) (noun), variable-pitch propellers (pl)
A a mechanical device that rotates in a machine: A variable-pitch propeller is a part of a machine in which the angle of the blades of a power-driven shaft can be adjusted to suit different conditions while maintaining the same engine speed.
This entry is located in the following unit: vari- (page 2)