WordReference Random House Unabridged Dictionary of American English © 2026
black′ pow′der, 
  1. Chemistry, Militaryan 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.

'black powder' also found in these entries (note: many are not synonyms or translations):
Martini-Henry - calomel - ferrous oxide - fuse - mercuric sulfide - platinum black

Forum discussions with the word(s) "black powder" in the title:


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