Definition of IU in English:

IU

Line breaks: IU

abbreviation

  • International unit.

More definitions of IU

Definition of IU in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space