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Pronunciation varies by accent · noun
(mineralogy) An orthorhombic black mineral containing hydrogen, iron, manganese, and oxygen..
Use janggunite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Janggunite means (mineralogy) An orthorhombic black mineral containing hydrogen, iron, manganese, and oxygen..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use janggunite where its definition matches the intended context.
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