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Pronunciation varies by accent · noun
(mineralogy) A hydrous sulphate of chromium, iron and aluminium..
Use knoxvillite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Knoxvillite means (mineralogy) A hydrous sulphate of chromium, iron and aluminium..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use knoxvillite where its definition matches the intended context.
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