bismuth

bismuth
A trivalent metallic element; atomic no. 83, atomic wt. 20.98037. Several of its salts are used in medicine; some contain BiO+, rather than Bi3+, and are called subsalts. [Ger. Wismut, weisse Masse, white mass]
- b. aluminate a gastric antacid. SYN: aluminum b. oxide.
- b. ammonium citrate ammoniocitrate of b.; an intestinal astringent.
- b. citrate used in the making of b. and ammonium citrate.
- b. hydroxide used in detecting reducing sugars.
- b. iodide BiI3; used in electron microscopy to reveal synapses. SYN: b. triiodide.
- b. oxide used for the same purposes as the subnitrate.
- b. oxycarbonate SYN: b. subcarbonate.
- b. oxychloride basic b. chloride, used for the same purposes as the subnitrate. SYN: b. chloride oxide, bismuthyl chloride.
- b. oxynitrate SYN: b. subnitrate.
- b. salicylate b. subsalicylate.
- b. sodium tartrate a basic sodium b. tartrate; an antisyphilitic agent.
- b. sodium triglycollamate sodium b. complex of nitrilotriacetic acid.
- b. subcarbonate used for the same purposes as b. subnitrate, but has lower toxicity. SYN: b. carbonate, b. oxycarbonate, bismuthyl carbonate.
- b. subgallate used internally in diarrhea and externally as an astringent and protective dusting powder.
- b. subnitrate a basic salt, the composition of which varies with the conditions of preparation; used internally as an intestinal astringent and externally as a mild astringent and antiseptic; the metal is used as an electron microscope stain for nucleic acid s. SYN: b. oxynitrate.
- b. subsalicylate used as an intestinal antiseptic.
- b. tribromophenate, b. tribromophenol used externally as an antiseptic.
- b. trichloride BiCl3; addition of water results in formation of b. oxychloride. SYN: butter of b..
- b. triiodide SYN: b. iodide.

* * *

bis·muth 'biz-məth n a heavy brittle grayish white chiefly trivalent metallic element that is chemically like arsenic and antimony and that is used in alloys and pharmaceuticals symbol Bi see ELEMENT (table)
bis·mu·thic biz-'məth-ik, -'myü-thik adj

* * *

bis·muth (Bi) (bizґməth) a silver-white metal, atomic number 83, atomic weight 208.980. Its salts have astringent, antacid, and mildly germicidal properties and are used to treat diarrhea, nausea, indigestion, and other gastrointestinal conditions; they were formerly used in the treatment of syphilis but have been superseded by antibiotics. Excessive ingestion can cause bismuth poisoning; see under poisoning.

Medical dictionary. 2011.

Игры ⚽ Нужна курсовая?

Look at other dictionaries:

  • Bismuth — (pronEng|ˈbɪzməθ) is a chemical element that has the symbol Bi and atomic number 83. This heavy, brittle, white crystalline trivalent poor metal has a pink tinge and chemically resembles arsenic and antimony. Of all the metals, it is the most… …   Wikipedia

  • BISMUTH — Le bismuth, de symbole Bi, est l’élément chimique de numéro atomique 83. C’est le plus lourd du groupe Vb de la classification périodique. Il vient après l’azote, le phosphore, l’arsenic et l’antimoine, mais, contrairement à ceux ci, son… …   Encyclopédie Universelle

  • Bismuth — Plomb ← Bismuth → Polonium Sb …   Wikipédia en Français

  • Bismuth — Bis muth, n. [Ger. bismuth, wismuth: cf. F. bismuth.] (Chem.) One of the elements; a metal of a reddish white color, crystallizing in rhombohedrons. It is somewhat harder than lead, and rather brittle; masses show broad cleavage surfaces when… …   The Collaborative International Dictionary of English

  • Bismuth — bezeichnet: ein chemisches Element, siehe Bismut Bismuth ist der Name folgender Personen: Pierre Bismuth (* 1963), französischer Kameramann, Maler und Drehbuchautor Diese Seite ist eine Begriffskläru …   Deutsch Wikipedia

  • bismuth — Symbol: Bi Atomic number: 83 Atomic weight: 208.980 White crystalline metal with a pink tinge, belongs to group 15. Most diamagnetic of all metals and has the lowest thermal conductivity of all the elements except mercury. Lead free bismuth… …   Elements of periodic system

  • bismuth — 1660s, from obsolete Ger. Bismuth, also Wismut, Wissmuth (early 17c.), of unknown origin; perhaps a miner s contraction of wis mat white mass, from O.H.G. hwiz white. Latinized 1530 by Georgius Agricola (who may have been the first to recognize… …   Etymology dictionary

  • Bismuth — Bismuth, S. Wißmuth …   Grammatisch-kritisches Wörterbuch der Hochdeutschen Mundart

  • bismuth — ou BISMUT. subst. m. (On prononce le T.) Corps minéral, demi métal d un blanc tirant sur le jaune. On le nomme aussi Étain de glace …   Dictionnaire de l'Académie Française 1798

  • Bismuth — Surtout porté par des juifs originaires de Constantine et de Tunisie, correspond à l arabe bajmaT, terme évoquant le pain sec et autres provisions emportées par les pèlerins se rendant à la Mecque. Autres formes du nom : Beschmout, Bismut …   Noms de famille

  • bismuth — ► NOUN ▪ a brittle reddish tinged grey metallic chemical element resembling lead. ORIGIN from bisemutum, Latinization of German Wismut …   English terms dictionary

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”