ピストン
Meanings
1
piston; plunger
Refers to a mechanical piston or a plunger-like device. 'Plunger' is a secondary gloss for contexts like a syringe or pump.
I learned how the engine's piston moves.
Please push the syringe's plunger slowly.
Usage patterns
- ピストンが動くfor a piston to move
Inside the engine, the piston moves rapidly.
- ピストン運動をするto make a back-and-forth (piston-like) motion
This part performs a piston-like motion to pump out the liquid.