bismuth/ˈbɪz.məθ/EtymologyFrom German Wismuth, from Middle High German wismāt, from Latin bisemūtum, from Arabic بِسِيمُوتِيُّون (bisīmūtiyyūn), from Ancient Greek ψιμύθιον (psimúthion, “white lead”).bismuth means A chemical element (symbol Bi) with an atomic number of 83: a brittle silvery-white metal. Lexicurio rates it Rare gem — a strength score of 76 out of 100.nounA chemical element (symbol Bi) with an atomic number of 83: a brittle silvery-white metal.A single atom of this element.