burglar alarm
A "burglar alarm" is a security device designed to detect unauthorized entry and alert property owners or authorities.
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Definition
B2Security Systems
(technical, common)A device that detects unauthorized entry into a property and triggers a warning signal.
Example
- The burglar alarm went off when someone tried to open the window.
- Installing a burglar alarm can significantly enhance your home's security.
B1General Use
(common)The loud sound or signal produced when unauthorized entry is detected.
Example
- We heard the burglar alarm from next door and called the police.
- The burglar alarm's loud noise scared the intruder away.
Similar
Terms that have similar or relatively close meanings to "burglar alarm":
fire alarmalarm bellsecurity systemfire alarm hornbreaking and enteringfalse alarm