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bismuth
[ biz-muhth ]
noun
, Chemistry.
- a brittle, grayish-white, red-tinged, metallic element used in the manufacture of fusible alloys and in medicine. : Bi; : 208.980; : 83.
bismuth
/ ˈbɪzməθəl; ˈbɪzməθ /
noun
- a brittle pinkish-white crystalline metallic element having low thermal and electrical conductivity, which expands on cooling. It is widely used in alloys, esp low-melting alloys in fire safety devices; its compounds are used in medicines. Symbol: Bi; atomic no: 83; atomic wt: 208.98037; valency: 3 or 5; relative density: 9.747; melting pt: 271.4°C; boiling pt: 1564±5°C
bismuth
/ bĭz′məth /
- A brittle, pinkish-white, crystalline metallic element that occurs in nature as a free metal and in various ores. Bismuth is the most strongly diamagnetic element and has the highest atomic number of all stable elements. It is used to make low-melting alloys for fire-safety devices. Atomic number 83; atomic weight 208.98; melting point 271.3°C; boiling point 1,560°C; specific gravity 9.747; valence 3, 5.
- See Periodic Table
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Derived Forms
- bismuthal, adjective
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Other Words From
- bismuth·al adjective
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Word History and Origins
Origin of bismuth1
1660–70; earlier bismutum < New Latin bisemūtum, Latinized form of German Wissmuth (now Wismut ) < ?
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Word History and Origins
Origin of bismuth1
C17: from New Latin bisemūtum , from German Wismut , of unknown origin
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