Nomen

der Kolben

piston, flask, butt (of a gun), cob

Der Kolben bewegt sich im Zylinder auf und ab.

The piston moves up and down in the cylinder.

Im Chemielabor braucht man einen Kolben.

In the chemistry lab, you need a flask.

Er hielt den Kolben des Gewehrs fest.

He held the butt of the rifle tightly.

der Kolben ((as subject)) the piston... Der Kolben bewegt sich schnell.

((sth.acc)) den Kolben ((as object)) ...the piston. Der Mechaniker wechselt den Kolben.

Synonyms: Stößel (plunger), Zylinder (cylinder)

From Old High German 'kolbo', meaning 'club'. The various meanings derive from its club-like shape.

Imagine a piston ('Kolben') in an engine moving up and down like a club, connecting it to its etymological root.

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