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Pronunciation varies by accent · noun
(mineralogy) An inosilicate that is an orthorhombic pyroxene..
Use hypersthene when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Hypersthene means (mineralogy) An inosilicate that is an orthorhombic pyroxene..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use hypersthene where its definition matches the intended context.
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