AUTUNITE Meaning of AUTUNITE in English [ 'ɔ:tʌnʌɪt ]■ noun a yellow fluorescent mineral consisting of a phosphate of calcium and uranium.OriginC19: from Autun , a town in eastern France, + -ite 1 . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004