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Pronunciation varies by accent · noun
(mineralogy) A rare toxic halide mineral composed of sodium fluoride..
Use villiaumite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Villiaumite means (mineralogy) A rare toxic halide mineral composed of sodium fluoride..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use villiaumite where its definition matches the intended context.
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