verb
(computing) To perform or repeat an action on each item in a set.
(computing, mathematics) To perform or repeat an action on the results of each such prior action.
(transitive, archaic) To utter or do a second time or many times; to repeat.
(design, ambitransitive) To repeat an activity, making incremental changes each time.
noun
(mathematics) An n-fold self-composition of a function.
(mathematics) The image of a certain value under such a function.
adjective
Said or done again; repeated.
(as a participle) Iterated.