an explosive powder consisting of saltpeter, sulfur, and charcoal, used chiefly in old guns fired for sport, in fireworks, and for spotting charges in practice bombs; black gunpowder.
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How to use black powder in a sentence
A deliquescent black powder, with a caustic taste, and empyreumatic smell; 10 gr.
Mercury combines readily with sulphur by trituration, and with it forms a black powder called Ethiops mineral.
Tom drew out a shallow tray, the contents of which were buried in a black powder.Tom Swift and His Giant Telescope | Victor Appleton
A high velocity cordite rifle is dangerous to the country people, and some rifle firing black powder should be used.The Panjab, North-West Frontier Province, and Kashmir | Sir James McCrone Douie
But if you should ask me what kind of a gun I use, I would not hesitate to say that I prefer the 38-40 and black powder.Fifty Years a Hunter and Trapper | Eldred Nathaniel Woodcock
British Dictionary definitions for black powder
another name for gunpowder
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012