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a bullet (shell), powder (combat) charge, and percussion cap or primer cup, all of which are connected into a single unit by means of a case.
Cartridges are used in the firing of rifles and certain artillery guns. The first cartridges, which appeared in the 17th century, had paper casings, which held the powder charge and bullet. In the 1860’s there appeared complete paper cartridges, which held the powder charge, bullet, and percussion cap inside the case. Paper cartridges were soon replaced by all-metal cartridges. The use of cartridges, particularly metal ones, speeded up the loading and reloading of guns and significantly increased the maximum rate of fire. Present-day cartridges may be classified, depending on the type of weapon, as pistol, rifle, gun, and hunting-rifle cartridges. They may also be classified as combat, auxiliary (blank), and training cartridges.
cartridge(1) See phono cartridge and tape cartridge.
(2) A removable storage module that contains magnetic disks, optical discs, magnetic tape or memory chips. Cartridges are inserted into slots in the drive, printer or computer. Cartridges typically contain one reel of tape or one disk platter, while cassettes are for tape only and have a supply and take-up reel. See tape cartridge, magnetic tape, magnetic disk and optical disc.
|A Lot of Cartridges|
|Almost all obsolete today, these are most of the tape and disk cartridges (and cassettes) that have come on the scene since the mid-1990s.|
|Containing a ROM chip, cartridges such as the yellow one (bottom right) are used to hold games and educational programs. See ROM.|