Longman Dictionary of Contemporary English homepage

screen

2 verb
     
screen2 [transitive]
1

test for illness

MH to do tests on a lot of people to find out whether they have a particular illness:
All women over 50 will be regularly screened.
screen somebody for something
It is now possible to screen babies for diabetes.
2

hide something

if something screens something else, it is in front of it and hides it
screen something from something
A line of trees screened the house from the road.
3

film/television

AMFAMT to show a film or television programme:
The film is being screened around the country.
The match will be screened live on television.
4

test employees etc

to find out information about people in order to decide whether you can trust them:
Police are very careful when screening politicians' bodyguards.
Applicants are screened for security.
5

check things

to check things to see whether they are acceptable or suitable:
You can use an answerphone to screen your phone calls before you answer them.

screen something ↔ off

phrasal verb
to separate one part of a room from the rest by putting a thin temporary wall or a curtain across it:
The back part of the room had been screened off.

screen something ↔ out

phrasal verb
1 to prevent something harmful from passing through:
Sun lotions screen out damaging ultraviolet light.
2 to remove people or things that are not acceptable or not suitable:
An answering service can screen out nuisance calls.

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