Definition of OSMIUM

osmium

Plural: osmiums

Noun

  • A hard, brittle, bluish-white metallic element; the densest natural element.
  • 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.
  • A single atom of this element.

Examples

  • The rare letter tiles felt as heavy and valuable as osmium in her hand.
  • Their latest catalyst includes some osmium.
  • This reaction substitutes a ruthenium for an osmium.

Origin / Etymology

From Ancient Greek ὀσμή (osmḗ, “smell”) (because of the strong smell of its oxide) + -ium.

Synonyms

atomic number 76, Os

Scrabble Score: 10

osmium: valid Scrabble (US) TWL Word
osmium: valid Scrabble Word in Merriam-Webster MW Dictionary
osmium: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 13

osmium: valid Words With Friends Word