a continuous or connected series
a strange sequence of events
a continuous progression
the order of succession of things, events, etc
a subsequent but not resultant occurrence or course
an extended series of poems united by their theme
in music, a succession of not necessarily exact repetitions: compare ostinato, imitation (3)
a succession of related shots or scenes developing a single subject or phase of a film story
an episode, esp in a film
a succession of mathematical terms formed according to some rule or law, e.g. 2, 4, 8, 16 …
in card games, three or more consecutive playing cards, usu of the same suit
the order of structural units, e.g. amino acids in a protein or chemical bases in DNA or RNA, in a complex biological molecule
[Middle English from late Latin sequentia what follows, from Latin sequent-, sequens, present part. of sequi to follow]