(mathematics) the sum of a finite or infinite sequence of expressions
a periodical that appears at scheduled times
(sports) several contests played successively by the same teams; "the visiting team swept the series"
similar things placed in order or happening one after another; "they were investigating a series of bank robberies"
a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection; "the Post Office issued a series commemorating famous American entertainers"; "his coin collection included the complete series of Indian-head pennies"
(electronics) connection of components in such a manner that current flows first through one and then through the other; "the voltage divider consisted of a series of fixed resistors"
a life preserver consisting of a connected pair of inflatable bags that fit under a person's arms and provide buoyancy; used by children learning to swim
the action of following in order; "he played the trumps in sequence"
a group of people or things arranged or following in order; "a succession of stalls offering soft drinks"; "a succession of failures"
(ecology) the gradual and orderly process of change in an ecosystem brought about by the progressive replacement of one community by another until a stable climax is established
line thrown from a vessel that people can cling to in order to save themselves from drowning
line that raises or lowers a deep-sea diver
support that enables people to survive or to continue doing something (often by providing an essential connection); "the airlift provided a lifeline for Berlin"; "she offered me a lifeline in my time of grief"
one of several parallel layers of material arranged one on top of another (such as a layer of tissue or cells in an organism or a layer of sedimentary rock)