Definitions for galliumˈgæl i əm

This page provides all possible meanings and translations of the word gallium

Princeton's WordNet

  1. gallium, Ga, atomic number 31(noun)

    a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores

Wiktionary

  1. gallium(Noun)

    A chemical element (symbol Ga) with an atomic number of 31; a soft bluish metal.

  2. Origin: Named by its discoverer Lecoq, after Gallia. It was claimed that Lecoq had named the element after himself, since gallus is the Latin translation of the French le coq, but Lecoq denied this in an article of 1877.

Webster Dictionary

  1. Gallium(noun)

    a rare metallic element, found in certain zinc ores. It is white, hard, and malleable, resembling aluminium, and remarcable for its low melting point (86/ F., 30/C). Symbol Ga. Atomic weight 69.9

  2. Origin: [NL.; perh. fr. L. Gallia France.]

Freebase

  1. Gallium

    Gallium is a chemical element with symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the gallium compounds in trace amounts in bauxite and zinc ores. A soft silvery metallic poor metal, elemental gallium is a brittle solid at low temperatures. Held long enough, gallium will melt in the hand as it liquefies at temperature of 29.76 °C. Its melting point is used as a temperature reference point. The alloy Galinstan has an even lower melting point of −19 °C, well below the freezing point of water. From its discovery in 1875 until the semiconductor era, gallium was used primarily as an agent to make low-melting alloys. Today, almost all gallium is used for microelectronics. Gallium arsenide, the primary use of gallium, is used in microwave circuitry and infrared applications. Gallium nitride and indium gallium nitride, minority semiconductor uses, produce blue and violet light-emitting diodes and diode lasers. Gallium has no known role in biology. Because gallium and ferric salts behave similarly in biological systems, gallium ions often mimic iron ions in medical applications. Gallium-containing pharmaceuticals and radiopharmaceuticals have been developed.

U.S. National Library of Medicine

  1. Gallium

    A rare, metallic element designated by the symbol, Ga, atomic number 31, and atomic weight 69.72.


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