(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"
draw in (air); "Inhale deeply"; "inhale the fresh mountain air"; "The patient has trouble inspiring"; "The lung cancer patient cannot inspire air very well"
draw deep into the lungs in by breathing; "Clinton smoked marijuana but never inhaled"
an accumulation of jobs not done or materials not processed that are yet to be dealt with (especially unfilled customer orders for products or services)