IR


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Ir

The symbol for iridium.

IR

abbr.
1. information retrieval
2. infrared
3. Sports injured reserve

ir

the internet domain name for
(Computer Science) Iran

Ir

the chemical symbol for
(Elements & Compounds) iridium

IR

abbreviation for
1. (General Physics) infrared
2. (Government, Politics & Diplomacy) (formerly, in Britain) Inland Revenue
3. (Government, Politics & Diplomacy) Iran (international car registration)

IR

infrared.

Ir

Irish.

Ir


Chem. Symbol.
iridium.

ir-1

,
var. of in- 2 (by assimilation) before r: irradiate.

ir-2

,
var. of in- 3 (by assimilation) before r: irreducible.

Ir.

Ireland.

Ir

The symbol for iridium.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.IR - a heavy brittle metallic element of the platinum groupIr - a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
2.IR - a board of the British government that administers and collects major direct taxes
administrative body, administrative unit - a unit with administrative responsibilities
Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom