To render something permanent, certain, or firm.

(computing) A file of related records on a computer-readable medium such as disk, especially one on a mainframe computer; a dataset.

To select (something or someone) for a specific purpose. / To distinguish, make obvious the distinction between (two things) or of (something).

(transitive) To ready for use. / (transitive) To arrange logically. / (transitive) To cause to happen. / (transitive) To trap or ensnare. / (transitive) To arrange for an outcome; to tamper or rig.

In a position to function; ready.

(transitive) To delay or obstruct. / (transitive) To remove from or allow distance. / (transitive) To install or position behind a boundary or surface, or in a recess.

(mathematics) the set of complex numbers c for which the orbit of 0 under iteration of the complex quadratic polynomial zₙ₊₁ = zₙ² + c remains bounded. The boundary of this set is a fractal.

Alternative form of television set

A television; an electronic device that receives television signals, and displays the resulting images on a screen.

(set theory, of a set S) The set whose elements comprise all the subsets of S (including the empty set and S itself).