cooling / refreshment
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cooling
The technical process or device used to lower the temperature of something, for example an engine or a room.
Die Kühlung des Servers ist ausgefallen, weshalb er überhitzt ist.
The server's cooling failed, which is why it overheated.
The noun 'die Kühlung' (cooling) is derived from the verb 'kühlen' (to cool). The ending '-ung' turns a verb into a feminine noun that describes the process or result of the action.
Die Kühlung der Getränke dauert noch einen Moment.
Cooling the drinks will take another moment.
The context reveals the meaning. If it is about technology (engine, computer, device), the technical device or system is meant. If it is about the body, the weather, or refreshment (wind, water, summer), it means the pleasant feeling of cold.
Die Kühlung des Laptops ist sehr leise.
The laptop's cooling is very quiet.
In the technical sense, 'Kühlung' (cooling) is often combined with devices. Typical verbs are 'ausfallen' (to fail), 'einbauen' (to install), or 'benötigen' (to require). Common nouns are 'Motor' (engine), 'Prozessor' (processor), or 'Kühlschrank' (refrigerator).
Ohne eine funktionierende Kühlung überhitzt der Motor schnell.
Without functioning cooling, the engine quickly overheats.
When it is about refreshment, 'Kühlung' (refreshing coolness) is often used with pleasant adjectives like 'angenehm' (pleasant), 'erfrischend' (refreshing), or 'willkommen' (welcome). You can also say 'Kühlung suchen' (to seek cooling/refreshment) or 'Kühlung genießen' (to enjoy cooling/refreshment).
An heißen Tagen suchen viele Menschen im Wald Kühlung.
On hot days, many people seek refreshing coolness in the forest.
heating
'die Heizung' and 'die Kühlung' both describe dealing with temperature. But they are clear opposites: 'die Heizung' raises the temperature, while 'die Kühlung' lowers it. Both words can refer to a technical process or a system, so they can be confused in technical or practical situations. 'Heizung' fits when heat is generated or released. 'Kühlung' fits when something is kept cold or made colder; sometimes it also refers to the pleasant effect of cold.
Die Kühlung im Supermarkt hält die Milch frisch.
The cooling system in the supermarket keeps the milk fresh.
In der E-Mail schreibt Frau Neumann, dass die Heizung im Vereinsraum wieder funktioniert.
In the email, Ms. Neumann writes that the heating system in the club room is working again.