HYPERSTHENE


Meaning of HYPERSTHENE in English

[ 'hʌɪpəsθi:n ]

■ noun a greenish rock-forming mineral consisting of a magnesium iron silicate.

Origin

C19: coined in Fr., from hyper- + Gk sthenos 'strength' (because it is harder than hornblende).

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.