Found 2 items, similar to Ir.
English → English (WordNet) Definition: Ir 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, atomic number 77] 2: a board of the British government that administers and collects major direct taxes [syn: Inland Revenue]
English → English (gcide) Definition: Ir Ir \Ir\ n. (Chem.) The chemical symbol for iridium, a metallic element of the platinum group. It has atomic number 77 and an atomic weight of 192.22. Syn: iridium. [WordNet 1.5]