"cartridge" in the noun sense
ammunition consisting of a cylindrical casing containing an explosive charge and a bullet fired from a rifle or handgun
2. magazine, cartridge
a light-tight supply chamber holding the film and supplying it for exposure as required
a module designed to be inserted into a larger piece of equipment
"he loaded a cartridge of fresh tape into the tape deck"
4. cartridge, pickup
an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable
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