Definitions for: Ir

[n] (British) a board of the British government that administers and collects major direct taxes
[n] a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

Webster (1913) Definition: Ir-
A form of the prefix in-. See In-.

Synonyms: atomic number 77, Inland Revenue, iridium

See Also: agency, authority, bureau, federal agency, government agency, metal, metallic element, office

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