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Gallium
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.). Symbol, Ga; at. wt., 69.9. Gallium is chiefly trivalent,
resembling aluminium and indium. It was predicted with most
of its properties, under the name eka-aluminium, by
Mendelyeev on the basis of the periodic law. This prediction
was verified in its discovery (in 1875) by its characteristic
spectrum (two violet lines).
galliumEkaluminium Ek*al`u*min"i*um, n. [Skr. [=e]ka one + E.
aluminium.] (Chem.)
The name given to a hypothetical element, -- later discovered
and called gallium. See Gallium, and cf. Ekabor. Gallium
Gallium Gal"li*um, n. [NL., fr. L. Gallia France.] (Chem.)
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.
Note: The element was predicted with most of its properties,
under the name ekaluminium, by the Russian chemist
Mendelejeff, on the basis of the Periodic law. This
prediction was verified in its discovery by the French
chemist Lecoq de Boisbaudran by its characteristic
spectrum (two violet lines), in an examination of a
zinc blende from the Pyrenees.
Meaning of Gallium from wikipedia
