English edit

Etymology edit

First use appears c. 1964 on the computer keyboard of the PDP-6 TECO.

Noun edit

 
From left to right: A keyboard's control key, Windows key, alt key.

alt key (plural alt keys)

  1. (computing) A key on a personal computer or terminal keyboard used in combination to alter the function of other keys.

Coordinate terms edit

Translations edit

Further reading edit