Mesh material that is used to screen (as in a "screen door").
I'll have to buy some screening and fix the doors before mosquito season starts.
The process of checking or filtering.
The airports are slow now because the pre-boarding screening is so inefficient.
The showing of a film
The examination and treatment of a material to detect and remove unwanted fractions
(in the plural) Material removed by such a process; refuse left after screening sand, coal, ashes, etc.
Shielding
A method to identify a disease in a population which is not showing any symptoms of this disease.
Action done by the serving team to prevent the opposing team from seeing the server and the flight path of the ball.