Definition of Ir

 (Entry 1 of 3)

iridium

Definition of IR (Entry 2 of 3)

1 information retrieval
2 infrared
3 British inland revenue
4 intelligence ratio
5 internal revenue

ir-

prefix

Definition of ir- (Entry 3 of 3)

— see in-

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Cite this Entry

“Ir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ir. Accessed 8 Aug. 2020.

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More Definitions for Ir

ir-

Kids Definition of ir-

see in-

Medical Definition of Ir

 (Entry 1 of 2)

iridium

Medical Definition of IR (Entry 2 of 2)

infrared

More from Merriam-Webster on Ir

Spanish Central: Translation of Ir

Nglish: Translation of Ir for Spanish Speakers

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