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Pronunciation varies by accent · noun
(chemistry, mineralogy) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum..
Use platiniridium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Platiniridium means (chemistry, mineralogy) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use platiniridium where its definition matches the intended context.
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