split-screen
US /ˈsplɪt.skriːn/
UK /ˈsplɪt.skriːn/
1.
a display on a computer or television screen that is divided into two or more sections, each showing different content simultaneously
:
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The gamer used a split-screen to play with a friend on the same console.
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The news channel often uses split-screen to show live reports from two different locations.
1.
to divide a computer or television screen into two or more sections
:
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The software allows you to split-screen your desktop for better multitasking.
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We need to split-screen the video feed to monitor both cameras simultaneously.