[sil.li.man.ite] n [Benjamin Silliman d. 1864 Am. geologist] (ca. 1830): a brown, grayish, or pale green mineral that consists of an aluminum silicate in orthorhombic crystals often occurring in fibrous or columnar forms
SILLIMANITE
Meaning of SILLIMANITE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012