closure / fastener
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fastener / closure
A device for closing or securing a container, an opening, or an item of clothing. Examples include lids, zippers, or buttons.
Der luftdichte Verschluss der Dose hält die Kekse frisch.
The airtight closure on the tin keeps the cookies fresh.
to keep under lock
A fixed expression meaning to keep something secret or securely locked away so that no one can access it.
Die Ergebnisse der Studie werden bis zur Veröffentlichung streng unter Verschluss gehalten.
The results of the study will be kept strictly under lock until publication.
shutter
In photography, the part of a camera, also called a shutter, that opens for a certain amount of time to let light fall onto the sensor or film.
Um die schnelle Bewegung einzufrieren, benötigst du eine kurze Verschlusszeit.
To freeze the fast movement, you need a short shutter speed.
blockage / occlusion
In medicine, the blockage or obstruction of a hollow organ, especially a blood vessel.
Ein plötzlicher Verschluss einer Arterie kann lebensgefährlich sein.
A sudden occlusion of an artery can be life-threatening.
The noun 'der Verschluss' (closure/fastener) is derived directly from the verb 'verschließen' (to close, to lock). When you close something, you use a 'Verschluss' (closure/fastener) for it. This connection helps you remember both words.
Bitte verschließ die Flasche wieder fest.
Please close the bottle tightly again.
The expression 'etwas unter Verschluss halten' (to keep something under lock) is a fixed unit. It means to keep something secret or securely locked away so that no one has access.
Die Namen der Gewinner werden bis morgen unter Verschluss gehalten.
The names of the winners will be kept under lock until tomorrow.
In the context of photography, 'der Verschluss' (the shutter) refers to the mechanism in the camera that regulates light. The word is almost always used here in the compound 'die Verschlusszeit' (shutter speed).
Für Nachtaufnahmen brauchst du eine lange Verschlusszeit.
For night shots, you need a long shutter speed.
In medicine, 'der Verschluss' (occlusion/blockage) means the blockage of a hollow organ, usually a blood vessel. People then often speak of a 'Gefäßverschluss' (vascular occlusion) or 'Arterienverschluss' (arterial occlusion).
Ein Gefäßverschluss im Bein kann starke Schmerzen verursachen.
A vascular occlusion in the leg can cause severe pain.
'Verschluss' (fastener/closure) is the base word for many specific types of fasteners. Examples are 'der Reißverschluss' (zipper, on a jacket), 'der Schraubverschluss' (screw cap, on a bottle), or 'der Klettverschluss' (Velcro fastener, on shoes).
Der Reißverschluss an meiner Hose ist kaputt.
The zipper on my pants is broken.
castle / lock
Schloss and Verschluss can both keep a suitcase closed. A Schloss locks it with a key or a similar mechanism to prevent unauthorized opening. Verschluss is more general and also refers to simple devices for closing something that do not necessarily provide such a lock.
Sie schließt ihren Koffer mit einem einfachen Verschluss ohne Schlüssel.
She closes her suitcase with a simple fastener that does not require a key.
Sie sichert ihren Koffer mit einem Schloss, das nur mit dem Schlüssel aufgeht.
She secures her suitcase with a lock that can only be opened with the key.
