'IR' definitions:
Definition of 'Ir'
(from WordNet)
noun
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]
noun
A board of the British government that administers and collects major direct taxes [syn: Inland Revenue, IR]
Definition of 'Ir'
From: 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]
Definition of 'ir'
From: Hitchcock
- Ir, watchman; city; vision
Acronyms for 'ir'
From: V.E.R.A.
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