noun
cartridge
KAR-trij/ˈkɑːrtrɪdʒ/
A replaceable case containing material needed by a device.
The ink cartridge rests beside the printer's open replacement bay.

Etymology
A 'roll of paper' originally held a charge for a firearm. The name later broadened to other small containers and their contents, explaining its use for ink, film, and similar replaceable supplies.
In context
blood is passed through the cartridge which contains the adsorbent so the poison will be absorbed and removed
More examples
- The filter needs a new cartridge.
- The collector identifies an old rifle cartridge.
- He inserts the game cartridge into the console.
Forms
cartridge · cartridges
Similar words
- refill
- Replacement material without necessarily its own fitted case.
- bullet
- The projectile alone rather than an entire ammunition cartridge.