Meaning of ALUMINUM in English

[alu.mi.num] n, often attrib [NL, fr. alumina] (1812): a bluish silver-white malleable ductile light trivalent metallic element that has good electrical and thermal conductivity, high reflectivity, and resistance to oxidation and is the most abundant metal in the earth's crust where it always occurs in combination

Merriam-Webster English vocab.      Английский словарь Merriam Webster.