power-downcode
nounUK /ˈpaʊə daʊn kəʊd/
US /ˈpaʊər daʊn koʊd/
A secret code you type to make a machine turn off safely.
Before leaving the lab, she entered the power-downcode to shut the computer down.
RELATED WORDS
OTHER MEANINGS
2. A command sequence that puts a device into a low-energy sleep state.
The tablet's power-downcode dimmed the screen and saved the battery.
3. A code used to end a session on a shared terminal.
He typed the power-downcode so the next student could log in.
4. A special number that stops a toy robot from moving.
The robot froze when the child pressed the power-downcode.
5. A security code needed to switch off an alarm system.
The guard entered the power-downcode to silence the alarm.