KYANITE Meaning of KYANITE in English [ 'kʌɪənʌɪt ]■ noun a blue or green mineral consisting of aluminium silicate, used in heat-resistant ceramics.OriginC18: from Gk kuanos , kuaneos 'dark blue' + -ite 1 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004