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/ˈɒz.mi.əm/ · noun
A chemical element (symbol Os) with atomic number 76: a hard, brittle, heavy, bluish-white transition metal found as a trace element in alloys, mostly in platinum ores..
Their latest catalyst includes some osmium.
This reaction substitutes a ruthenium for an osmium.
Use osmium when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Osmium means A chemical element (symbol Os) with atomic number 76: a hard, brittle, heavy, bluish-white transition metal found as a trace element in alloys, mostly in platinum ores..
Common synonyms include os, atomic number 76.
The opposite depends on the specific sense.
Their latest catalyst includes some osmium.
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