osmium

1. (злічуване, незлічуване)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.

   Osmium

   о́смийósmij

   о́смійósmij

   a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known

2. 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.

   (злічуване)An atom of this element.

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