\hˈa͡ɪpəsθˌiːn], \hˈaɪpəsθˌiːn], \h_ˈaɪ_p_ə_s_θ_ˌiː_n]\
Definitions of HYPERSTHENE
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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.
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Word of the day
- a rare mallow found only in Illinois resembling the common hollyhock and having pale rose-mauve flowers; sometimes placed genus Sphaeralcea