| NOUN | substance | Ir, iridium, atomic number 77 | a heavy brittle / brittle metallic element of the platinum group |
|---|---|---|---|
| group | IR, Inland Revenue | a board of the British government that administers and collects major direct taxes |
| Meaning | A heavy brittle / brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium. | |
|---|---|---|
| Synonyms | iridium, atomic number 77 | |
| Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
| Spanish | iridio, número atómico 77 | |
| Catalan | iridi, Ir, número atòmic 77 | |
| Meaning | A board of the British government that administers and collects major direct taxes. | |
|---|---|---|
| Synonym | Inland Revenue | |
| Region | United Kingdom, UK, U.K., Britain, United Kingdom of Great Britain and Northern Ireland, Great Britain | A monarchy in northwestern Europe occupying most of the British Isles |
| Broader | administrative unit, administrative body | A unit with administrative responsibilities |
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