cartridge คืออะไร cartridge คืออะไร A cylindrical, usually metal casing containing the primer and charge of ammunition for firearms.Such a casing fitted with a bullet.A similar piece of ammunition, such as a shotgun shell. A case filled with high explosives, used in blasting.A small modular unit designed to be inserted into a larger piece of equipment: an ink cartridge; a disposable cartridge of caulking compound. A removable case containing the stylus and electric conversion circuitry in a phonograph pickup.A case containing magnetic tape in a reel; a cassette.A case containing a ribbon in a spool, for use in printers and electric typewriters.A lightproof case with photographic film that can be loaded directly into a camera.