osmium
A chemical element with atomic number 76: a hard, brittle, heavy, bluish-white…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.
Meaning
2 senses(countable, uncountable)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
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.
(countable)An atom of this element.
Translations
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Forms
plural: osmiumsSynonyms
2 synonyms- a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known:Osatomic number 76
Word family
17 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable