screening

Refuse, such as waste coal, separated by a screen.

The mesh material used to make door or window screens.

A presentation of a movie.

A systematic examination or assessment, done especially to detect an unwanted substance or attribute.

In electricity and magnetism: The method of surrounding the apparatus inside of the screen with a shield of soft iron, so as to protect it from external magnetic influences.

The method of surrounding with a shield, cage, or netting made of good conducting material for protection against external electric forces. In large conductors carrying alternating currents, the outside part of the conductor may screen the inside so that less or no current flows in the interior, and the effective resistance of the conductor is thereby increased.

the process of examining or testing objects methodically to find those having desirable properties. See screen{3}.

Mesh material that is used to screen (as in a “screen door”).

The process of checking or filtering.

The showing of a film