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