Ir (n.)

  1. a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

    [ Syn: iridium , ir , atomic number 77 ]

  2. a board of the British government that administers and collects major direct taxes

    [ Syn: inland revenue , ir ]

The dictionary is based on the WordNet Electronic Lexical Database.
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