(Internet) A web design technique that loads more content as the user scrolls towards the end of the loaded content. This prevents the browser scroll bar from scrolling to the bottom of the page, causing the page to grow with additional content instead, until there are no more results to be displayed.

(mathematics) Having a quantity or cardinality that is infinite or unbounded.

(mathematics) biinfinite

Alternative spelling of biinfinite

(mathematics) A method of proof by contradiction that is used to prove that a statement must be false for all positive integers. By showing that if it is true for one integer, it must be true for a smaller integer, an infinite number of solutions are found and a contradiction is eventually reached.

(programming) Any recursion that continues without end.

(set theory, of a set) That is both countable and infinite; having the same cardinality as the set of natural numbers; formally, such that a bijection exists from ℕ to the set.

(mathematical analysis) Any expression that represents the addition a countably infinite number of ordered summands, often explicitly indexed by the positive or nonnegative integers.

(informal) The proposition that a monkey hitting typewriter keys at random is bound to produce meaningful text (such as a work by William Shakespeare), given an infinite amount of time.

(mathematics) A continued fraction that goes on forever