This is the 6975th most frequent German word.
flammenalarmierten
"Flammenalarmierten" is not a standard German word, but it could roughly mean "flame-alarmed" or refer to being alerted by flames in a poetic or constructed sense.
In this sentence, 'flammenalarmierten' is used to indicate the act of the smoke detector alerting the fire department about a fire.
Die Feuerwehr wurde durch den Rauchmelder flammenalarmierten.
The fire department was alerted by the smoke detector.
Here, 'flammenalarmierten' refers to the act of the manager signaling an alert to the employees regarding a fire-related risk.
Der Chef flammenalarmierten die Mitarbeiter aufgrund einer Gefahr im Gebäude.
The manager alerted the staff due to a danger in the building.
In this instance, 'flammenalarmierten' describes the action of the speaker notifying others about a fire they've observed.