Meaning of “touch screen” in the English Dictionary

"touch screen" in Business English

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touch screennoun [ C ]

uk us IT, COMMUNICATIONS

a screen on a computer, phone, etc. that you touch in order to give it instructions, rather than using a keyboard or keypad:

Customers use a touch screen to buy tickets.
touch-screen
adjective [ before noun ]

Voters now use a touch-screen voting system.

(Definition of “touch screen” from the Cambridge Business English Dictionary © Cambridge University Press)