| NOUN | artifact | warning device, alarm, alarm system | a device that signals the occurrence of some undesirable event |
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| Meaning | A device that signals the occurrence of some undesirable event. | |
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| Synonyms | alarm, alarm system | |
| Narrower | automobile horn, car horn, motor horn, horn, hooter | A device on an automobile for making a warning noise |
| burglar alarm | A warning device that is tripped off by the occurrence of a burglary | |
| fire alarm, smoke alarm | An alarm that is tripped off by fire or smoke | |
| horn | An alarm device that makes a loud warning sound | |
| siren | An acoustic device producing a loud often wailing sound as a signal or warning | |
| Broader | device | An instrumentality invented for a particular purpose |
| Spanish | alarma, sistema de alarma, sistema de seguridad | |
| Catalan | alarma, sistema d'alarma, sistema de seguretat | |
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