smoke alarm
US /smoʊk əˈlɑːrm/
UK /smoʊk əˈlɑːrm/

1.
rookmelder, rookalarm
a device that detects smoke and sounds an alarm, typically as a warning of fire
:
•
The smoke alarm went off when I burned the toast.
Het rookalarm ging af toen ik de toast verbrandde.
•
Every home should have at least one working smoke alarm.
Elk huis zou minstens één werkend rookalarm moeten hebben.