Any of various powders used as the propellant in a cartridge or shotshell. The following are varieties of gunpowder, refer to: Ball Powder, Black Powder, Blank Powder, Canister Powder, Cordite, Digressive Burning Powder, Disk Powder, Double Base Powder, Flake Powder, Improved Military Rifle Powder (IMR), Irregular Flake Powder, Lamel Powder, Lot Powder, Neutral Burning Powder, Nitrocellulose Powder, Nonhydroscopic Powder, Priming Powder, Progressive Burning Powder, Reloading Powder, Semi-Smokeless Powder, Single Base Powder, Smokeless Powder, Triple Base Powder, and Tubular Powder.
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