op

Clipping of opponent.

His ops went to his court hearing today.

Clipping of operation.

My mother's going in for her knee op today.

Clipping of operator.

Even given the same direction, two camera ops will see and shoot somewhat differently. A good eye and an ability to concentrate and quickly follow directions are necessary for this position.

Give the camera op a wide berth when he or she is shooting on Steadicam. When doing so, camera ops usually have virtually no peripheral vision, and their spatial awareness may be impaired by the giant, heavy camera attached to [them].

Clipping of operator.

Clipping of operator.

To promote (an IRC user) to an operator.

True, better clients will remember that a person had a voice before they were opped and will return the + when they are deopped, but that doesn't solve the problem. Suppose someone joins the room after the user is opped and before the user is deopped.

Alternative letter-case form of OP.