Definitions for Ir
This page provides all possible meanings and translations of the word Ir
iridium, Ir, atomic number 77(noun)
a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
Inland Revenue, IR(noun)
a board of the British government that administers and collects major direct taxes
.ir is the Internet country code top-level domain for Iran. It is managed by the Institute for Studies in Theoretical Physics and Mathematics.
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