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Pronunciation varies by accent · noun
(mineralogy) A cubic mineral with the chemical formula Bi₁₂SiO₂₀, typically found in association with bismuthite..
Use sillenite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Sillenite means (mineralogy) A cubic mineral with the chemical formula Bi₁₂SiO₂₀, typically found in association with bismuthite..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use sillenite where its definition matches the intended context.
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