• A case or container which holds a device or substance which is intended to be plugged into a larger piece of equipment. For instance, such a container enclosing ink, a magnetic tape, or a printed circuit.
  • A removable computer storage device which contains a magnetic or optical disk. For instance, a floppy disk. Also called disk cartridge. Also, such a device utilizing a chip or another storage medium.
  • A container, which houses a length of magnetic media, that can be plugged into the appropriate device in a manner that eliminates the need for directly handling the contents. For instance, a videotape, or a continuous-loop tape cartridge.
  • In a phonograph, an electromechanical transducer whose stylus vibrates as it follows the grooves of a record, and which converts these vibrations into electric signals. There are various types, including moving coil and piezoelectric, and each attaches to a phonograph arm. Also called phonograph cartridge, phonograph pickup, phono cartridge, or pickup (2).

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