Ir

1 of 3

symbol

iridium

IR

2 of 3

abbreviation

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

ir-

3 of 3

prefix

see in-

Dictionary Entries Near Ir

Cite this Entry

“Ir.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Ir. Accessed 8 Nov. 2024.

Kids Definition

ir-

see in-

Medical Definition

Ir

1 of 2 symbol
iridium

IR

2 of 2 abbreviation
infrared

More from Merriam-Webster on Ir

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!