accelerator key
nounUK /əkˈseləreɪtə kiː/
US /əkˈseləreɪtər kiː/
A key you press together with another key to do a special job.
Press the accelerator key and the letter C to copy the text.
RELATED WORDS
OTHER MEANINGS
2. A key that speeds up a computer action when held with another key.
The accelerator key saves time when you type.
3. A special key on a keyboard that changes what other keys do.
Hold the accelerator key while clicking to select more items.
4. A key combination used to open a menu or command quickly.
Alt is often used as an accelerator key in programs.