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rotate on (something)

1. To turn on or spin around a particular axis or central point. The damage from the accident resulted in the wheels no longer rotating on the front axle properly.
2. To cause something to turn on or spin around a particular axis or central point. In this usage, a noun or pronoun is used between "rotate" and "on." If you rotate the ball on the tip of your finger quickly enough, the centripetal force will keep it balanced in place.
See also: on, rotate

rotate on something

to spin on something; to pivot on something. This wheel rotates on this little red jewel on the main frame of the watch. The record rotates on this device, which is called a turntable.
See also: on, rotate
References in periodicals archive ?
The offensive team will then quickly rotate over to defense and vice-versa.
They can rotate a casting mounted on their fixture plate through 360 degrees horizontally and tilt to a vertical position.
There is no other good scientific explanation for why something would rotate as slowly as 20 day's" he argued during a press briefing on April 14.
Deltoid (three heads) -- abducts (away from the midline of the body), flexes, extends, and rotates the arm.
1]-ATPase hubs that rotate about 8 times per second.
The speed-thrower will rotate the hip, then lift the torso in the middle of the ring.
While most of us slow down as we become senior citizens, some elderly stars rotate faster and faster as they age.
Abdominals: The four abdominal muscles (rectus abdominus, external oblique, internal oblique, and transeverse abdominus) serve to flex the thorax as well as rotate and laterally flex the vertebral column.
The oven is a closed container that closely envelops the mold or molds, which rotate inside it while the oven itself turns also.
Conservation of angular momentum dictates that if the star was rotating, the resulting black hole should rotate even faster.
The last key is to have the secondary rotate rather than converge, as shown in Diag.