Noun
1. serial arrangement in which things follow in logical order or a recurrent pattern;
"the sequence of names was alphabetical""he invented a technique to determine the sequence of base pairs in DNA"2. a following of one thing after another in time;
"the doctor saw a sequence of patients"3. film consisting of a succession of related shots that develop a given subject in a movie
4. the action of following in order;
"he played the trumps in sequence"5. several repetitions of a melodic phrase in different keys