series

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A number of objects or events arranged or coming one after the other in succession.
• noun A set of stamps, coins, or currency issued in a particular period.
• noun Physics & Chemistry A group of objects related by linearly varying successive differences in form or configuration.
• noun Mathematics The sum of a sequentially ordered finite or infinite set of terms.
• noun Geology A group of rock formations closely related in time of origin and distinct as a group from other formations.
• noun Grammar A succession of coordinate elements in a sentence.
• noun A succession of publications having similar subjects or similar formats.
• noun A succession of regularly broadcast television programs, especially the set of episodes of a drama or sitcom.
• noun Sports A number of games played by the same two teams, often in succession.
• noun Baseball The World Series.
• noun Linguistics A set of vowels or diphthongs related by ablaut, as in sing, sang, sung, and song.
• idiom (in series) In an arrangement that forms a series.

from The Century Dictionary.

• noun A continued succession of similar things, or of things bearing a similar relation to one another; an extended order, line, or course; sequence; succession: as, a series of kings; a series of calamitous events; definitions arranged in several distinct series.
• noun In geology, a set of strata possessing some common mineral or fossil characteristic: as, the greensand series; the Wenlock series.
• noun In chem., a number of elements or compounds which have certain common properties and relations, or which exhibit, when arranged in orderly succession, a constant difference from member to member.
• noun In numismatics, a set of coins made at any one place or time, or issued by any one sovereign or government.
• noun In philately, a set of similar postage- or revenue-stamps.
• noun In mathematics, a progression; also, more usually, an algebraic expression appearing as a sum of a succession of terms subject to a regular law.
• noun In systematic bot., according to Gray, the first group below kingdom and the next above class: equivalent to subkingdom or division (which see).
• noun In zoology, a number of genera in a family, of families in an order, etc.; a section or division of a taxonomic group, containing two or more groups of a lower grade: loosely and variably used, like grade, group, cohort, phalanx, etc.
• noun In ancient prosody, same as colon , 2.
• noun In bibliography, a set of volumes, as of periodical publications or transactions of societies, separately numbered from another set of the same publication. Abbreviated ser.
• noun where φ(μ) is defined by the equation
• noun is equal to for values of φ between −π and +π; but for values between π and 2π, it is equal to ½(π − φ).
• noun That the n th differential coefficient relatively to x should be equal to 2n! is the necessary and sufficient condition of n being prime.
• noun A series which is convergent although if the signs of all the terms were the same (or their arguments considered as imaginaries were the same) it would be divergent.
• noun In mathematics: A sequence of things such that the situation (before or after) of each can be told with respect to any other; a set.
• noun In electricity, an arrangement of units of a group of cells, generators, or other electrical devices (such as condensers, resistance-coils, lamps, or the like), such that the positive terminal of the first is connected to the negative terminal of the second and so on. See series-connected.
• noun A series not absolutely convergent.
• noun In electricity See series-parallel circuit.
• noun Same as absolutely convergent series.

from the GNU version of the Collaborative International Dictionary of English.

• noun A number of things or events standing or succeeding in order, and connected by a like relation; sequence; order; course; a succession of things.
• noun (Biol.) Any comprehensive group of animals or plants including several subordinate related groups.
• noun (Bot.) In Engler's system of plant classification, a group of families showing certain structural or morphological relationships. It corresponds to the cohort of some writers, and to the order of many modern systematists.
• noun (Math.) An indefinite number of terms succeeding one another, each of which is derived from one or more of the preceding by a fixed law, called the law of the series.
• noun (Elec.) A mode of arranging the separate parts of a circuit by connecting them successively end to end to form a single path for the current; -- opposed to parallel. The parts so arranged are said to be in series.
• noun (Com.) A parcel of rough diamonds of assorted qualities.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A number of things that follow on one after the other or are connected one after the other.
• noun US, Canada A television or radio program which consists of several episodes that are broadcast in regular intervals
• noun UK A group of episodes of a television or radio program broadcast in regular intervals with a long break between each group, usually with one year between the beginning of each.
• noun mathematics The sum of the terms of a sequence.
• noun cricket, baseball A group of matches between two sides, with the aim being to win more matches than the opposition.
• noun biology An unranked taxon.
• adjective electronics Connected one after the other in a circuit.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a periodical that appears at scheduled times
• noun a serialized set of programs
• noun (electronics) connection of components in such a manner that current flows first through one and then through the other
• noun similar things placed in order or happening one after another