Ir

abbreviation

Irish (def. 4).

Other definitions for Ir (2 of 7)

Symbol, Chemistry.

iridium.

Other definitions for IR (3 of 7)

abbreviation

infrared.
Football, Ice Hockey. injured reserve: Ending up on the IR so close to the end of the regular season may keep him off the ice for the entire Stanley Cup playoffs.

intelligence ratio.
information retrieval.

Other definitions for ir- (4 of 7)

ir-¹

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

Other definitions for ir- (5 of 7)

ir-²

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

Other definitions for Ir. (6 of 7)

Ir.

abbreviation

Ireland.
Irish.

Other definitions for I.R. (7 of 7)

I.R.

abbreviation

immediate reserve.
infantry reserve.

intelligence ratio.
internal revenue.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Ir in a sentence

But given the attributes of the Ir specialist, a profile similar to surgeons would not surprise.
Doctors as Doormats in the David Petraeus Scandal | Kent Sepkowitz | November 14, 2012 | THE DAILY BEAST
The current Ir-1 centrifuges in place are copies of the design of Pakistani nuclear scientist A.Q. Khan.
The Silver Lining on Iran’s Nukes | Eli Lake | August 31, 2012 | THE DAILY BEAST
Ir also is a triangle with one of the angles pointing to the right and two upright lines passing through the triangle.
Sumerian Hymns | Frederick Augustus Vanderburgh
From the "Dies Ir" there rings forth grand poetry even in monkish Latin.
History of the Intellectual Development of Europe, Volume I (of 2) | John William Draper
The origin seems to be Celtic, and the word is cognate with Ir.
Encyclopaedia Britannica, 11th Edition, Volume 15, Slice 3 | Various

Facta est terra in desolationem facie Ir Columb: and again, Revertamur ad terram nativitatis nostr facie gladii Columb.
The Works of Sir Thomas Browne (Volume 1 of 3) | Thomas Browne
Supreme cathedral it is for that supremest of hymns, the Dies Ir—sound and sense and vision welded.
How France Built Her Cathedrals | Elizabeth Boyle O'Reilly

British Dictionary definitions for ir (1 of 5)

the internet domain name for

Iran

British Dictionary definitions for Ir (2 of 5)

the chemical symbol for

iridium

British Dictionary definitions for IR (3 of 5)

abbreviation for

infrared
(formerly, in Britain) Inland Revenue

Iran (international car registration)

British Dictionary definitions for ir- (4 of 5)

ir-

prefix

a variant of in- 1, in- 2

British Dictionary definitions for Ir. (5 of 5)

Ir.

abbreviation for

Ireland
Irish

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for Ir

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