fan
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fan
A device with rotating blades that creates an airflow in order to cool, ventilate, or dry something. It is used in computers, cars, or as a fan in rooms.
Der Lüfter meines Laptops ist in letzter Zeit sehr laut geworden.
The fan in my laptop has become very loud lately.
'Der Lüfter' (fan) belongs to the word family of 'die Luft' (air). It is derived from the verb 'lüften' (to air out, to ventilate). The ending '-er' here refers to the device that performs the action.
Bitte lüfte das Zimmer, es ist sehr stickig hier.
Please air out the room; it's very stuffy in here.
Common verbs used with 'Lüfter' (fan) are 'laufen' (to run), 'kühlen' (to cool), 'einbauen' (to install), and 'reinigen' (to clean). Typical adjectives that describe a fan are 'laut' (loud) and 'leise' (quiet).
Der Lüfter läuft auf höchster Stufe, um den Motor zu kühlen.
The fan is running at the highest setting to cool the engine.
'Lüfter' (fan) is often part of compound nouns that describe its function more precisely. Examples are 'CPU-Lüfter' (CPU fan, for the processor), 'Gehäuselüfter' (case fan, for the computer case), or 'Badlüfter' (bathroom fan).
Mein neuer CPU-Lüfter ist viel leiser als der alte.
My new CPU fan is much quieter than the old one.
fan
Both words refer to a device that moves air and thereby cools or ventilates. “Ventilator” usually means a standalone device for a room, while “Lüfter” is used especially for a technical or built-in device. A mobile device for a room is therefore usually called a “Ventilator,” while computers and cars tend to have a “Lüfter.”
Im Computer arbeitet ein Lüfter, der die heißen Teile kühlt.
A fan inside the computer cools the hot components.
Im Schlafzimmer steht ein Ventilator, der an heißen Tagen für Luftbewegung sorgt.
There is a fan in the bedroom that circulates the air on hot days.
