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Related to tape cartridge: magnetic tape storage, Backup tape
tape cartridge[′tāp ‚kär·trij]
A cartridge that holds a length of magnetic tape in such a way that the cartridge can be slipped into a tape recorder and played without threading the tape; in stereophonic usage, usually refers to an eight-track continuous-loop cartridge, which is larger than a cassette. Also known as cartridge.