iridium

  1. Home
  2. top of the aat hierarchies
  3. Materials Facet
  4. Materials (hierarchy name)
  5. materials (substances)
  6. [materials by composition]
  7. inorganic material
  8. metal
  9. [metal by composition or origin]
  10. nonferrous metal
  11. iridium
Scope note
Pure metallic element having symbol Ir and atomic number 77; a hard, brittle silvery-white metal of the platinum family. Iridium is the most corrosion-resistant metal and the second densest chemical element.
iridium
Accepted term: 16-Jun-2025