HYPERSTHENE


Meaning of HYPERSTHENE in English

( n. )

An orthorhombic mineral of the pyroxene group, of a grayish or greenish black color, often with a peculiar bronzelike luster (schiller) on the cleavage surface.

Webster's Revised Unabridged English Dictionary.      Пересмотренный полный словарь английского языка Webster.