[ 'tɒn(ə)lʌɪt ]
■ noun Geology a coarse-grained plutonic rock consisting chiefly of sodic plagioclase, quartz, and hornblende or other mafic minerals.
Origin
C19: from Tonale Pass, northern Italy, + -ite 1 .
[ 'tɒn(ə)lʌɪt ]
■ noun Geology a coarse-grained plutonic rock consisting chiefly of sodic plagioclase, quartz, and hornblende or other mafic minerals.
Origin
C19: from Tonale Pass, northern Italy, + -ite 1 .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004