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metallic beryllium

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  • beryllium — [bə ril′ē əm] n. [< beryllia, beryllium oxide (< L beryllus,BERYL + IA) + IUM: discovered (1798) by L. N. Vauquelin (1763 1829), Fr chemist] a hard, silver white, metallic chemical element, one of the alkaline earth metals, found only in… …   English World dictionary

  • Beryllium — Be*ryl li*um, n. [NL.] (Chem.) A metallic element found in the beryl. See {Glucinum}. [1913 Webster] …   The Collaborative International Dictionary of English

  • beryllium — Symbol: Be Atomic number: 4 Atomic weight: 9.0122 Grey metallic element of group 2 of the periodic table. Is toxic and can cause severe lung diseases and dermatitis. Shows high covalent character. It was isolated independently by F. Wohler and… …   Elements of periodic system

  • beryllium — metallic element, 1863, so called because it figures in the composition of the pale green precious stone BERYL (Cf. beryl) and was identified in emerald (green beryl) in 1797 by French chemist Louis Nicolas Vauquelin (1763 1829) and first… …   Etymology dictionary

  • beryllium — ► NOUN ▪ a hard, grey, lightweight metallic chemical element of which the mineral beryl is a compound …   English terms dictionary

  • beryllium — /beuh ril ee euhm/, n. Chem. a steel gray, bivalent, hard, light, metallic element, the salts of which are sweet: used chiefly in copper alloys for better fatigue endurance, in springs, and in electrical contacts. Symbol: Be; at. wt.: 9.0122; at …   Universalium

  • beryllium — Glucinum Glu*ci num, n. [Cf. F. glucinium, glycium, fr. Gr. ?, sweet. Cf. {Glycerin}.] (Chem.) A rare metallic element, of a silver white color, and low specific gravity (2.1), resembling magnesium. It never occurs naturally in the free state,… …   The Collaborative International Dictionary of English

  • beryllium — A white metal element belonging to the alkaline earths; atomic no. 4., atomic wt. 9.012182. [G. beryllos, beryl] * * * be·ryl·li·um bə ril ē əm n a steel gray light strong brittle toxic bivalent metallic element used chiefly as a hardening agent… …   Medical dictionary

  • metallic element — noun any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. • Syn: ↑metal • Derivationally related forms: ↑metallic (for: ↑metal), ↑metal (for: ↑ …   Useful english dictionary

  • beryllium — noun Etymology: New Latin, from Greek bēryllion Date: circa 1847 a steel gray light strong brittle toxic divalent metallic element used chiefly as a hardening agent in alloys see element table …   New Collegiate Dictionary

  • beryllium — be·ryl·li·um || be rɪljÉ™m n. (Be) lightweight metallic chemical element commonly used in alloys …   English contemporary dictionary

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