Englishfor English speakers
screen
Noun
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A screen is a flat surface for showing pictures, text or video.
The information appears on the computer screen almost right away.
I couldn't see the movie because the person in front of me was blocking the screen.
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A screen is a flat surface between two areas, often letting something in but keeping something out.
The hole in the window screen let the bugs in.
There was a screen around my hospital bed.
screen
Verb
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If you screen blood, people, information, etc., you find or block unwanted things.
They carefully screen the blood for viruses before giving it to hospitals.
He put on a hat to screen his eyes from the sun.
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If you screen a movie, a TV show, etc., you put it on a screen.
They screened the new movie for the press last week.
cell
Noun
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A cell is a room in a jail where prisoners are kept.
He was arrested and kept in a small cell for one day.
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A cell is a unit of a living organism.
A plant cell has a cell wall.