(Russia, Greece) The policy, in upscale nightclubs, of restricting entry based on a bouncer's snap judgment of the suitability of a person's looks, money, style or attitude.

plural of control structure

A marked waypoint used in orienteering and related sports. / (computer graphics) Any of a series of points defining the shape of a curve etc.

plural of control point

(systems theory) A function that controls the recording, processing, transmission, or interpretation of data.

(aviation) A system of control in which a separate manipulation, as of a rudder, may be effected by either of two movements, in different directions, of a single lever, etc.

plural of control function

(aviation) An airport building from which the air traffic control unit monitors and directs the movement of aircraft on and around the airport.

(sciences) A factor that is held constant in a series of experiments in which other factors are varied

Any of several forms of fixed-length identification number on stamps, books, etc.