alarmcode

noun
UK /əˈlɑːm kəʊd/
US /əˈlɑːrm koʊd/

A secret set of numbers you type to turn an alarm on or off.

She typed the alarmcode into the keypad before opening the door.


OTHER MEANINGS

2. A number that tells what kind of problem a machine has.

The washing machine showed an alarmcode on its screen.

3. A special signal sent by a device to warn people of danger.

The fire panel sent an alarmcode to the main office.

4. A code used to switch off a burglar alarm.

He forgot the alarmcode and the siren went off.