English version

burglar alarm

From Longman Dictionary of Contemporary Englishburglar alarmˈburglar aˌlarm ●●○ noun [countable]  TBBPREVENTSTEALa piece of equipment that makes a loud noise when someone tries to get into a building illegally
Examples from the Corpus
burglar alarmShe was woken early this morning by a burglar alarm.Great Caesar; a burglar alarm.He said I should have more adequate protection than a burglar alarm.Ultrasonics technology is used in certain burglar alarm systems which trigger on detecting the sound of breaking glass.A new burglar alarm and ventilation system have been fitted.We repair to the kitchen and blithely set off the burglar alarm searching for the cat to cuddle.
Pictures of the day
Do you know what each of these is called?
Click on the pictures to check.