fire alarm Meaning in the Cambridge English Dictionary
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Meaning of “fire alarm” in the English Dictionary

"fire alarm" in British English

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fire alarmnoun [C]

uk   us  
a ​device such as a ​bell or siren that ​warns the ​people in a ​building that the ​building is on ​fire: If the ​firealarm goes off (= ​starts making a ​sound), ​leave the ​buildingcalmly.
(Definition of fire alarm from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"fire alarm" in American English

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fire alarmnoun [C]

 us   /ˈfɑɪər əˌlɑrm/
a ​device that makes a ​loudcontinuousnoise to ​warnpeople to ​leave a ​burningbuilding
(Definition of fire alarm from the Cambridge Academic Content Dictionary © Cambridge University Press)

"fire alarm" in Business English

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fire alarmnoun [C]

uk   us  
WORKPLACE a ​piece of ​equipment that makes a loud ​noise to warn ​people of a ​fire in a ​building, or a ​switchconnected to this ​equipment: An ​electricalfault had set off the ​fire alarm. If the fire alarm sounds, ​leave the ​building immediately.
(Definition of fire alarm from the Cambridge Business English Dictionary © Cambridge University Press)
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