barium

  • 1 Barium — (pronEng|ˈbɛəriəm) is a chemical element. It has the symbol Ba, and atomic number 56. Barium is a soft silvery metallic alkaline earth metal. It is never found in nature in its pure form due to its reactivity with air. Its oxide is historically… …

    Wikipedia

  • 2 Barium — Sn (ein Erdalkali Metall) per. Wortschatz fach. (19. Jh.) Neoklassische Bildung. Die deutschen Bergleute gaben einem schweren, neben Erzen gefundenen Mineral den Namen Schwerspat (Spat1). Die Schweden Scheele und Gahn isolierten daraus um 1774… …

    Etymologisches Wörterbuch der deutschen sprache

  • 3 Barium — (Бари,Италия) Категория отеля: Адрес: Via Massaua 12, 70132 Бари, Италия О …

    Каталог отелей

  • 4 barium — Symbol: Ba Atomic number: 56 Atomic weight: 137.34 Silvery white reactive element, belonging to group 2 of the periodic table. Soluble barium compounds are extremely poisonous. Identified in 1774 by Karl Scheele and extracted in 1808 by Humphry… …

    Elements of periodic system

  • 5 barium — 1808, coined in Modern Latin from Gk. barys heavy; so called by its discoverer, English chemist Sir Humphrey Davy (1778 1829), because it was present in the mineral barytes heavy spar (barium sulphate), so named by Lavoisier from Gk. barys heavy… …

    Etymology dictionary

  • 6 Barium — Ba ri*um, n. [NL., fr. Gr. bary s heavy.] (Chem.) One of the elements, belonging to the alkaline earth group; a metal having a silver white color, and melting at a very high temperature. It is difficult to obtain the pure metal, from the facility …

    The Collaborative International Dictionary of English

  • 7 Barĭum [1] — Barĭum (a. Geogr.), s. Bari 3) …

    Pierer's Universal-Lexikon

  • 8 Barĭum [2] — Barĭum (Chem.), s. Baryum …

    Pierer's Universal-Lexikon

  • 9 Barĭum — Barĭum, s. Baryum …

    Meyers Großes Konversations-Lexikon

  • 10 Barium — Barium, s. Baryum …

    Lexikon der gesamten Technik

  • 11 BARIUM — Apuliae oppid. vulgo BARRI. Barensis agri caput, probe munitum, in ora sinus Veneti. 8. milliar. a Bitonto. Festus sic dictum scribit a conditoribus, qui expulsi ex insul. Bara urbem hanc condiderunt. Hîc Reges Neapolitani coronari solebant.… …

    Hofmann J. Lexicon universale

  • 12 barium — BÁRIUM s.n. v bariu. Trimis de LauraGellner, 13.09.2007. Sursa: DN …

    Dicționar Român

  • 13 barium — ► NOUN ▪ a soft, reactive metallic chemical element. ORIGIN from BARYTE(Cf. ↑B) …

    English terms dictionary

  • 14 barium — [ber′ē əm] n. [ModL < Gr barys, heavy (see GRAVE1) + IUM] a silver white, slightly malleable, metallic chemical element, one of the alkaline earth metals, found as a carbonate or sulfate and used in alloys: symbol, Ba; at. no., 56: see the… …

    English World dictionary

  • 15 Barium — Eigenschaften …

    Deutsch Wikipedia

  • 16 barium — /bair ee euhm, bar /, n. Chem. a whitish, malleable, active, divalent, metallic element, occurring in combination chiefly as barite or as witherite. Symbol: Ba; at. wt.: 137.34; at. no.: 56; sp. gr.: 3.5 at 20°C. [1800 10; BAR(YTES) + IUM] * * *… …

    Universalium

  • 17 Barium — Ba (Symbol) * * * Ba|ri|um 〈n.; s; unz.; Chem.; 〉 chem. Element, Erdalkalimetall, Ordnungszahl 56 [zu grch. barys „schwer“] * * * Ba|ri|um [↑ Baryt u. ↑ ium (1)], das; s; Symbol: Ba: chem. Element aus Gruppe 2 des PSE, Protonenzahl 56, AG… …

    Universal-Lexikon

  • 18 barium — A metallic, alkaline, divalent earth element; atomic no. 56, atomic wt. 137.327. Insoluble salts are often used in radiology as contrast media. [G. barys, heavy] b. chloride …

    Medical dictionary

  • 19 barium — ba|ri|um [ˈbeəriəm US ˈber ] n [U] [Date: 1800 1900; : Greek; Origin: barytes weight ] 1.) a soft silver white metal that is used to make ↑pigments (=dry coloured powders used to make paints) . It is a chemical ↑element : symbol Ba. 2.) a barium… …

    Dictionary of contemporary English

  • 20 barium —   n. white metallic element.    ♦ barium meal, drink containing a compound of barium which is opaque to X rays, taken before or during X ray examination of digestive tract …

    Dictionary of difficult words

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