n. Mineral. extremely hard crystallized alumina, used esp. as an abrasive, and varieties of which, e.g. ruby and sapphire, are used for gemstones.
[ Tamil kurundam f. Skr. kuruvinda ruby ]
n. Mineral. extremely hard crystallized alumina, used esp. as an abrasive, and varieties of which, e.g. ruby and sapphire, are used for gemstones.
[ Tamil kurundam f. Skr. kuruvinda ruby ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012