
das Alarmsignal
alarm signal
An audible or visual signal that warns of danger or calls for immediate action.
Als das Alarmsignal ertönte, verließen alle das Gebäude.
When the alarm signal sounded, everyone left the building.
alarm signal / warning sign
das Alarmsignal, die Alarmsignale
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alarm signal
An audible or visual signal that warns of danger or calls for immediate action.
Als das Alarmsignal ertönte, verließen alle das Gebäude.
When the alarm signal sounded, everyone left the building.

warning sign
An indication of a dangerous or concerning development that requires special attention or a response.
Die stark steigende Zahl der Firmenpleiten ist ein Alarmsignal für die Wirtschaft.
The sharply rising number of business failures is a warning sign for the economy.
| gender | neuter das |
|---|---|
| plural | die Alarmsignale |
| genitive | des Alarmsignals |
| singular | plural | |
|---|---|---|
| nominative | das Alarmsignal | die Alarmsignale |
| accusative | das Alarmsignal | die Alarmsignale |
| dative | dem Alarmsignal | den Alarmsignalen |
| genitive | des Alarmsignals | der Alarmsignale |
The article changes with the case; it is shown in colour.
'Alarmsignal' (alarm signal / warning sign) is made up of 'Alarm' (alarm) and 'Signal' (signal). It therefore refers to a signal that draws attention to a danger or an urgent problem.
Das rote Licht war ein deutliches Alarmsignal für die Techniker.
The red light was a clear alarm signal for the technicians.
When referring to a physical warning signal, 'Alarmsignal' (alarm signal) is often used with verbs such as 'ertönen' (to sound), 'auslösen' (to trigger), and 'aussenden' (to emit). 'Ein Alarmsignal hören' (to hear an alarm signal) is also a common collocation.
Bei Rauchentwicklung löste der Sensor ein Alarmsignal aus.
The sensor triggered an alarm signal when smoke was detected.
In its figurative sense, 'Alarmsignal' (warning sign) is often combined with 'für' (for) and a word referring to an area of concern or an aspect of life. In this case, the signal is a development or observation that calls for action, rather than a siren.
Als Alarmsignal für den Naturschutz gilt der drastische Rückgang der Insekten.
The drastic decline in insect populations is considered a warning sign for nature conservation.