gallium, Ga, atomic number
(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
Source: WordNet® 3.1
gallium (uncountable)
A chemical element (symbol Ga) with an atomic number of 31; a soft bluish metal.
Synonym: eka-aluminium (name given by Dmitri Mendeleev to the then undiscovered element at the position of gallium in his periodic table)
Source: Wiktionary
Gal"li*um, n. Etym: [NL., fr. L. Gallia France.] (Chem.)
Definition: 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
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.
Source: Webster’s Unabridged Dictionary 1913 Edition
22 January 2025
(noun) memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
