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Pronunciation varies by accent · noun
(mineralogy) A silicate of calcium and vanadium found in basalts and tuffs.
Use pentagonite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Pentagonite means (mineralogy) A silicate of calcium and vanadium found in basalts and tuffs.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use pentagonite where its definition matches the intended context.
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