Definition of ir- in English:

ir-

prefix

Variant spelling of in-1, in-2 assimilated before r (as in irradiate, irrelative).

Definition of ir- in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day neoteny
Pronunciation: niːˈɒt(ə)ni
noun
retention of juvenile features in the adult animal