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Ir

1 American  

abbreviation

  1. Irish.


Ir 2 American  
Symbol, Chemistry.
  1. iridium.


IR 3 American  

abbreviation

  1. infrared.

  2. 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.

  3. intelligence ratio.

  4. information retrieval.


ir- 4 American  
  1. variant of in- (by assimilation) before r: irradiate.


ir- 5 American  
  1. variant of in- (by assimilation) before r: irreducible.


Ir. 6 American  

abbreviation

  1. Ireland.

  2. Irish.


I.R. 7 American  

abbreviation

  1. immediate reserve.

  2. infantry reserve.

  3. intelligence ratio.

  4. internal revenue.


IR 1 British  

abbreviation

  1. infrared

  2. (formerly, in Britain) Inland Revenue

  3. Iran (international car registration)

"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

Ir. 2 British  

abbreviation

  1. Ireland

  2. 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

Ir 3 British  

symbol

  1. iridium

"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

ir- 4 British  

prefix

  1. a variant of in- 1 in- 2

"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

ir 5 British  

abbreviation

  1. Iran

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Aviv Tatarsky, a researcher at the Israeli anti-settlement organisation Ir Amim, said no official Israeli statement linked the demolition and evacuation notices in Al-Eizariya to the E1 project.

From Barron's Nov. 25, 2025

Israel’s emergency service said that it received a report of the shooting in Ma’alot Ir David, an Israeli settlement in East Jerusalem, at 10:42 a.m. on Saturday.

From Washington Post Jan. 28, 2023

At least 32 homes have been demolished in Walaja since 2016, according to Ir Amim, a Jerusalem advocacy group.

From New York Times Apr. 10, 2022

College campuses “pose certain unique challenges to the delivery businesses,” said Sean Ir, director of strategy for Grubhub, who attended the demonstration.

From Seattle Times Sep. 6, 2021

"Ir was. This time my coin will champion Ser Loras."

From "A Game of Thrones" by George R.R. Martin

Ignacio Rodriguez, founder and chief executive of IR Architects, is currently building 16 custom homes for families in the Palisades.

From Los Angeles Times Dec. 17, 2025

The Chargers coach did not clarify whether the injury was related to the high-ankle sprain that put Edwards on IR earlier this season.

From Los Angeles Times Dec. 26, 2024

Dr Ulrich Schade, in charge of the beamline, and his team continue to develop the instruments to enable unique, state-of-the-art experimental techniques in IR spectroscopy.

From Science Daily Apr. 25, 2024

The new method monitors neutral lipids within LDs directly by detecting changes in IR absorbance.

From Science Daily Jan. 24, 2024

"IR can't get through sand any better than visible light."

From "The Martian" by Andy Weir

This prefix thus appears as en-, i-, il-, im-, in-, ir-, as enemy, ignoble, illegal, immortal, infirm, irregular.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

During all this time the pris- 431:6 oner attended to his daily labors, partaking of food at ir-         regular intervals, sometimes going to sleep immediately         after a heavy meal.

From Science and Health, with Key to the Scriptures by Mary Baker Eddy

The line of breakers ran for about a mile from southwest to northeast, and two hundred fathoms to the north of the ship an ir- regular mass of rocks formed a small islet.

From The Survivors of the Chancellor by Jules Verne

It becomes il- before l; im- before b, m, and p; ir- before r.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

This prefix thus appears as am-, an-, em-, en-, il-, im-, in-, ir-, as ambush, anoint, embrace, enclose, illude, immure, include, irritate.

From Chambers's Twentieth Century Dictionary (part 4 of 4: S-Z and supplements) by Various

And some of the new Republican Senators, notably Maryland's Charles McCurdy Mathias Ir. and Pennsylvania's Richard Schweiker, will add strength to the growing group of G.O.P. progressives.

From Time Magazine Archive

W. neidr, Gorn. naddyr, Ir. nathair, L. natrix, water snake.

From Webster's Unabridged Dictionary by Noah Webster

A derivative form is the Gael. and Ir. snidh or snith, to ooze through, distil, Obs.

From The River-Names of Europe by Robert Ferguson

These writers derive it from Gael. dan, Ir. dana, fortis, audax, in reference to its strong and impetuous current.

From The River-Names of Europe by Robert Ferguson

Gael. and Ir. pac, Bret. pak, a bundle; cf.

From Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) by Various

Immigration and Customs Enforcement deportation officers, identified only as I.R. and F.H., detained Zaitsev on Tuesday morning, pursuant to an administrative arrest warrant, according to an affidavit filed with a criminal complaint in federal court.

From Los Angeles Times Feb. 26, 2025

“Certification connotes a degree of certitude that isn’t at all possible in the gold industry, especially in Brazil,” said David Soud, an analyst at I.R.

From Seattle Times Jan. 12, 2022

Source: Ian Gilyeat, founder and chief marketing officer at I.R.

From Inc Nov. 6, 2012

Tight end Jermichael Finley is the only genuine difference-maker returning from I.R..

From New York Times Aug. 24, 2011

“He’s not going to be on I.R. at this point, so nothing’s ruled out,” Fox said.

From Washington Post Aug. 18, 2011

The loss of sea ice contributes to global warming as the bright white surface makes ir replaced by darker ocean water, which absorbs more sunlight and retains heat.

From Barron's Mar. 11, 2026

My cousin said, “Ya te puedes ir a dormir, Grandma.”

From Los Angeles Times Dec. 26, 2021

The story is fascinating, whatever Greene says, and spiced with ir resistible anecdotes.

From Time Magazine Archive

He was both ir ritated and troubled, says Ryan, because the British plan, called Operation Rankin, placed the U.S. zone in the southern German provinces.

From Time Magazine Archive

He hardly needed to; it took a keen eye to see Harth rem ir Estraven in the thin weatherworn tramp.

From "The Left Hand of Darkness" by Ursula K. Le Guin

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