valve
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valve
A technical device that controls the flow of liquids or gases in a pipe system by opening, closing, or regulating the passage.
Der Klempner musste das Ventil an der Heizung austauschen.
The plumber had to replace the valve on the heater.
You can recognize the meaning of 'Ventil' (valve/outlet) from the context. In technology, it is about controlling liquids or gases. In a figurative sense, it is a way to release feelings. In medicine, it refers to a valve in the heart or blood vessels.
Das Ventil am Fahrradreifen ist kaputt.
The valve on the bicycle tire is broken.
In a technical context, a valve is often used with the verbs 'öffnen' (to open), 'schließen' (to close), 'austauschen' (to replace), or 'prüfen' (to check). It is often 'defekt' (defective) or 'undicht' (leaky).
Bitte schließen Sie das Hauptventil für das Wasser.
Please close the main water valve.
In the figurative meaning, 'Ventil' (outlet) often follows the structure '[activity] ist ein Ventil für [feeling/pressure]' ([activity] is an outlet for [feeling/pressure]). You can also say 'ein Ventil brauchen' (to need an outlet), 'suchen' (to look for one), or 'finden' (to find one).
Für viele Menschen ist Sport ein Ventil für den Stress im Beruf.
For many people, sports are an outlet for work-related stress.
rooster / tap
'der Hahn' and 'das Ventil' can both regulate the flow of water, gas, or air. 'Hahn' is often used in everyday language, especially for water, for example at a sink. 'Ventil' sounds more technical and is more suitable for machines, pipes, tires, or heating systems. The words can be confused because both can open, close, or regulate something. When talking about a sink, 'Hahn' or, more precisely, 'Wasserhahn' is more natural. In technical contexts, 'Ventil' is usually more precise.
Herr Fischer prüft am Fahrrad das Ventil, weil der Reifen Luft verliert.
Mr. Fischer checks the valve on the bicycle because the tire is losing air.
Bitte dreh den Hahn zu, sonst läuft weiter Wasser in die Spüle.
Please turn off the tap, otherwise water will keep running into the sink.