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Pronunciation varies by accent · noun
(mineralogy) A hard, corrosion-resistant alloy of osmium and iridium, used in pen nibs..
Use osmiridium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Osmiridium means (mineralogy) A hard, corrosion-resistant alloy of osmium and iridium, used in pen nibs..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use osmiridium where its definition matches the intended context.
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