gallium
noun Etymology: New Latin, from Latin gallus cock (intended as translation of surname of Paul Lecoq de Boisbaudran died 1912 French chemist) Date: 1875 a bluish-white metallic element obtained especially as a by-product in refining various ores and used especially in semiconductors and optoelectronic devices — see element table

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Gallium — Zinc ← Gallium → Germanium Al …   Wikipédia en Français

  • GALLIUM — De Gallia , France Symbole chimique: Ga Numéro atomique: 31 Masse atomique: 69,72 Point de fusion: 29,78 0C Point d’ébullition: 2 403 0C Densité (à 29,6 0C): 5,904. Métal très facilement liquéfiable, découvert par Paul Émile Lecoq de Boisbaudran… …   Encyclopédie Universelle

  • Gallium — Gal li*um, n. [NL.; perh. fr. L. Gallia France.] (Chem.) A rare metallic element, found combined in certain zinc ores. It is white, hard, and malleable, resembling aluminium, and remarkable for its low melting point (86[deg] F., 30[deg] C.).… …   The Collaborative International Dictionary of English

  • gallium — Symbol: Ga Atomic number: 31 Atomic weight: 69.72 Soft silvery metallic element, belongs to group 13 of the periodic table. The two stable isotopes are Ga 69 and Ga 71. Eight radioactive isotopes are known, all having short half lives. Gallium… …   Elements of periodic system

  • Gallĭum — Ga, Metall, findet sich in sehr geringer Menge in Zinkblende von Bensberg und Pierrefitte, in der gelben asturischen Blende, im Toneisenstein vom Clevelanddistrikt in Yorkshire, auch in andern Eisenerzen, in Mangan , Nickel , Kobalt , Zinnerzen,… …   Meyers Großes Konversations-Lexikon

  • Gallium — Ga (Atomgew. 69,9, spez. Gew. 5,9), sehr seltenes, im Jahre 1875 von Lecocq de Boisbaudran in Zinkblende mittels der Spektralanalyse entdecktes weißes Metall, bei 30° C. bereits schmelzend. In Salzsäure, Ammoniak und Kalilauge löslich. Mit… …   Lexikon der gesamten Technik

  • Gallium — Gallĭum (chem. Zeichen Ga), Metall, findet sich in Spuren in Zinkblende, ist in reiner Gestalt weiß, von 5,95 spez. Gewicht, schmilzt bei 30°, läßt sich schneiden und hämmern …   Kleines Konversations-Lexikon

  • Gallium — er et letsmelteligt metal …   Danske encyklopædi

  • gallium — metalic element, discovered by spectral lines in 1875 by French chemist Lecoq de Boisbaudran (1838 1912), who named it apparently in honor of his homeland (see GALLIC (Cf. Gallic)), but it has been suggested that he also punned on his own name… …   Etymology dictionary

  • gallium — [gal′ē əm] n. [ModL: so named (1875) by P. E. Lecoq de Boisbaudran (1838 1912), Fr chemist, after L Gallia, France, and as a pun on his name Lecoq (in L, gallus, a cock) + IUM] a bluish white, metallic chemical element, often a supercooled liquid …   English World dictionary

  • Gallium — Eigenschaften …   Deutsch Wikipedia

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