Ir

symbol

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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Dictionary Entries Near Ir

Iquitos

Ir

IR

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Cite this Entry

“Ir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ir. Accessed 28 May. 2022.

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More Definitions for Ir

ir-

Kids Definition of ir-

— see in-

Ir

symbol

Medical Definition of Ir

 (Entry 1 of 2)

iridium

IR

abbreviation

Medical Definition of IR (Entry 2 of 2)

infrared

More from Merriam-Webster on Ir

Nglish: Translation of Ir for Spanish Speakers

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