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Pronunciation varies by accent · noun
(mineralogy) A monoclinic-prismatic mineral containing carbon, copper, hydrogen, magnesium, and oxygen..
Use mcguinnessite when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Mcguinnessite means (mineralogy) A monoclinic-prismatic mineral containing carbon, copper, hydrogen, magnesium, and oxygen..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use mcguinnessite where its definition matches the intended context.
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