( n. )
A grayish or dark green mineral, consisting essentially of magnesia (magnesium oxide), occurring in granular forms or in isometric crystals.
( n. )
A grayish or dark green mineral, consisting essentially of magnesia (magnesium oxide), occurring in granular forms or in isometric crystals.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012