—n. 1. the following of one thing after another; succession.
2. order of succession: a list of books in alphabetical sequence. 3. a continuous or connected series: a sonnet sequence. 4. something that follows; a subsequent event; result; consequence.
5. Music.a melodic or harmonic pattern repeated three or more times at different pitches with or without modulation.
6. Liturgy.a hymn sometimes sung after the gradual and before the gospel; prose.
7. Motion Pictures.a series of related scenes or shots, as those taking place in one locale or at one time, that make up one episode of the film narrative.
8. Cards.a series of three or more cards following one another in order of value, esp. of the same suit.
9. Genetics.the linear order of monomers in a polymer, as nucleotides in DNA or amino acids in a protein.
10. Math.a set whose elements have an order similar to that of the positive integers; a map from the positive integers to a given set.
—v.t. 1. to place in a sequence.
2. Biochem.to determine the order of (chemical units in a polymer chain), esp. nucleotides in DNA or RNA or amino acids in a protein.