ir-

ir- ¹

pref.

Variant of in-¹.

---

ir- ²

pref.

Variant of in-².

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ir-

prefix

a variant of in-¹, in-²

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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.

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.