late 14c., "hymn sung after the Hallelujah and before the Gospel," from Old French sequence "answering verses" (13c.), from Medieval Latin sequentia "a following, a succession," from Latin sequentem (nominative sequens), present participle of sequi "to follow" (see sequel). In Church use, a partial loan-translation of Greek akolouthia, from akolouthos "following." General sense of "succession," also "a sequence at cards," appeared 1570s.
"arrange in a sequence," 1954, from sequence (n.). Related: Sequenced; sequencing.
sequence se·quence (sē'kwəns, -kwěns')
n.
A following of one thing after another; succession.
An order of succession; an arrangement.
A related or continuous series.
The order of constituents in a polymer, especially the order of nucleotides in a nucleic acid or of the amino acids in a protein.
To organize or arrange in a sequence.
To determine the order of constituents in a polymer, such as a nucleic acid.