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Pronunciation varies by accent · noun
(mineralogy) Any of a group of silicate minerals that are a source of rare earth metals..
Use allanite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Allanite means (mineralogy) Any of a group of silicate minerals that are a source of rare earth metals..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use allanite where its definition matches the intended context.
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