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Pronunciation varies by accent · noun
(mineralogy) A hexagonal-ditrigonal dipyramidal brown mineral containing calcium, carbon, cerium, fluorine, hydrogen, oxygen, and thorium..
Use thorbastnasite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Thorbastnasite means (mineralogy) A hexagonal-ditrigonal dipyramidal brown mineral containing calcium, carbon, cerium, fluorine, hydrogen, oxygen, and thorium..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use thorbastnasite where its definition matches the intended context.
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