air pressure
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air pressure
The physical pressure that the air in Earth's atmosphere exerts because of its weight. It is measured in meteorology in order to predict the weather.
Bei hohem Luftdruck ist das Wetter meist stabil und sonnig.
When air pressure is high, the weather is usually stable and sunny.
The word is made up of 'Luft' (air) and 'Druck' (pressure). So it literally describes the pressure exerted by air.
Der Luftdruck in der Kabine des Flugzeugs wird künstlich geregelt.
The air pressure in the airplane cabin is artificially regulated.
You can recognize the meaning from the context: if people are talking about the weather, atmospheric pressure is meant. If it is about tires, balls, or technical devices, the pressure in a container is meant.
Der Wetterbericht meldet fallenden Luftdruck.
The weather report announces falling air pressure.
In a meteorological context, 'Luftdruck' (air pressure) is often combined with the adjectives 'hoch' (high) or 'tief' (low) and the verbs 'steigen' (to rise) or 'fallen' (to fall).
Ein hoher Luftdruck bringt oft sonniges Wetter mit sich.
High air pressure often brings sunny weather with it.
In a technical context, e.g. with tires, 'Luftdruck' (air pressure) is frequently used with verbs such as 'prüfen' (to check), 'messen' (to measure), 'erhöhen' (to increase), or 'verringern' (to reduce).
An der Tankstelle kann man den Luftdruck der Reifen kostenlos prüfen.
At the gas station, you can check the air pressure in the tires for free.
pressure / printing
'der Druck' and 'der Luftdruck' can both refer to a physical force. 'der Druck' is more general: it can occur with air, water, gases, or other substances. 'der Luftdruck' is more specific and refers only to the pressure of air, for example in the weather or in a tire. The words can be confusing because 'Luftdruck' is a type of 'Druck'. If it is not clear what kind of pressure is meant, use 'Druck'. If it is explicitly about air, 'Luftdruck' is more precise.
Wegen des Wetters kontrolliert er den Luftdruck in den Reifen.
Because of the weather, he checks the air pressure in the tires.
Wir prüfen vor dem Termin den Druck in der Wasserleitung.
Before the appointment, we check the pressure in the water pipe.