(linguistics) A punctuation mark or character used as a substitute for a repeated word or character, and generally handwritten as a form of abbreviation.

(grammar) A subclass of imperfective verbs that denote a continuously repeated action. An example in English would be the iterative verb sniffle, as opposed to the noniterative sniff.

(mathematics) A system of iterated functions used to construct fractals

(computer science, graph theory) A type of depth-first search in which each row of the tree is searched incrementally, simulating a breadth-first search with less memory usage.

plural of iterative deepening search

plural of iterated function system