Iren

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

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]

From The Collaborative International Dictionary of English v.0.48 [gcide]:

Ir- \Ir-\ A form of the prefix in-. See {In-}.

From WordNet (r) 3.0 (2006) [wn]:

Ir

noun

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}]


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Tuesday, March 31, 2015 12:16:03 AM Coordinated Universal Time (UTC)

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