In mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed and order matters. Like a set, it contains members (also called elements, or terms). The number of elements (possibly infinite) is called the length of the sequence.
Define sequence. sequence synonyms, sequence pronunciation, sequence translation, English dictionary definition of sequence. n. 1. A following of one thing after another; succession. 2. An order of succession; an arrangement. 3. A related or continuous series. See Synonyms at...