What does coffinite mean?
Coffinite means (mineralogy) A brown or black uranium-bearing silicate mineral..
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Pronunciation varies by accent · noun
(mineralogy) A brown or black uranium-bearing silicate mineral..
Use coffinite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Coffinite means (mineralogy) A brown or black uranium-bearing silicate mineral..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use coffinite where its definition matches the intended context.
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