screening

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. Refuse, such as waste coal, separated by a screen.
2. n. The mesh material used to make door or window screens.
3. n. A presentation of a movie.
4. n. A systematic examination or assessment, done especially to detect an unwanted substance or attribute.

Century Dictionary and Cyclopedia

1. n. 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.
2. n. 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.

Wiktionary

1. n. uncountable Mesh material that is used to screen (as in a "screen door").
2. n. The process of checking or filtering.
3. n. The showing of a film
4. n. The examination and treatment of a material to detect and remove unwanted fractions
5. n. in the plural Material removed by such a process; refuse left after screening sand, coal, ashes, etc.
6. n. soccer shielding
7. v. present participle of screen.

GNU Webster's 1913

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

WordNet 3.0

1. n. the display of a motion picture
2. n. testing objects or persons in order to identify those with particular characteristics
3. n. the act of concealing the existence of something by obstructing the view of it
4. n. fabric of metal or plastic mesh