rotor

• Pièce rotative d'une machine, comme l'induit d'un moteur ou d'un générateur, la partie tournante d'un distributeur, ou l'ensemble des pales rotatives d'un aéronef.

A noun referring to a rotating part of a mechanical device, such as the armature of a motor or generator, the revolving bar of a distributor, or an assembly of rotating airfoils.

1. Rotating part of a motor or generatorB2formaltechnical

   The rotating armature or assembly of a motor, generator, or turbine.

   Rotor (partie tournante d'une machine)

   • The rotor spins inside the stator to generate electricity.
   • Engineers inspected the rotor for signs of wear.
   • The motor's rotor is made of laminated steel.

   Synonymesarmaturerunner

   Antonymesstator

2. Revolving bar of a distributorC1formaltechnical

   The rotating component inside a distributor that directs electrical current to the spark plugs.

   rotor de distributeur

   • The rotor in the distributor must be replaced every 30,000 miles.
   • A faulty rotor can cause engine misfires.
   • He checked the rotor's alignment inside the distributor cap.

3. Rotating airfoil assemblyB2formaltechnical

   A rotating mechanism consisting of an assembly of rotating airfoils, such as in a helicopter or wind turbine.

   rotor

   • The helicopter's main rotor provides lift and thrust.
   • Wind turbine rotors convert wind energy into electricity.
   • The tail rotor helps stabilize the helicopter during flight.