function key

American  

noun

1. a key on a computer keyboard or terminal that, when pressed, alone or in combination with other keys, causes a specific computational or mechanical operation to be carried out.

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function key British  

noun

1. computing a key on the keyboard of a microcomputer, etc. that gives special commands to the computer

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Example Sentences

Instead of typing quietly, Amkraut Mueller started to hold down the function key and talk in hushed tones to her computer.

From The Wall Street Journal • May 10, 2026

The Huntsman Mini uses function key modifiers in lieu of arrows or media controls, but the PBT keycaps have side printing to show you the hidden layers.

From The Verge • Apr. 28, 2022