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1. (n.) gallium
a rare steel-gray metallic element used in high-temperature thermometers because of its high boiling point (1983°C) and low melting point (30°C).
Etymology: (1870–75; < NL, der. of L gall(us) cock (trans. of F coq, from Lecoq de Boisbaudran, 19th-cent. French chemist) + NL -ium -ium2)
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| Definition of 'gallium' |
Princeton's WordNet |
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1. (noun) gallium, Ga, atomic number 31
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
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| Definition of 'gallium' |
Webster Dictionary |
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1. (noun) gallium
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
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| Definition of 'gallium' |
U.S. National Library of Medicine |
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1. gallium
A rare, metallic element designated by the symbol, Ga, atomic number 31, and atomic weight 69.72.
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Definitions of gallium 
