Definition of series in English:



  • 1A number of things, events, or people of a similar kind or related nature coming one after another.

    ‘the explosion was the latest in a series of accidents’
    ‘he gave a series of lectures on modern art’
    • ‘The operation was part of a series of drug raids in the Bolton area.’
    • ‘The crucial break came in the sixth game, a series of magnificent backhands from Federer engineering the opportunity.’
    • ‘Instead, the book presents a series of glimpses into the lives of the nation's first families.’
    • ‘The result was a series of seven front-page articles on the subject.’
    • ‘The event featured a series of panel discussions related to issues of media.’
    • ‘I could take hours describing the series of events that lead up to this.’
    • ‘Both teams began the game with a series of handling errors and no one was able to gain the upper hand.’
    • ‘But all the 10 people arrested in a series of raids were later released.’
    • ‘The unions have launched a series of meetings with the Co-op funeral company managers.’
    • ‘The leaders of various intelligence agencies worry about a series of high-profile events this summer.’
    • ‘Now a new scheme is to be discussed at a series of public meetings.’
    • ‘He has been conducting a series of workshops around the country on wartime journalism ethics.’
    • ‘The book presents a series of possible solutions to this problem of affordable access.’
    • ‘Over the Christmas period there were a series of reminders of just what that mania has meant for transport.’
    • ‘During this period, a series of abductions took place, suggesting that he might have been involved in these cases.’
    • ‘The frustrated escape attempt was followed by a series of violent attacks early Wednesday morning.’
    • ‘You might have planned out a whole series of attacks, but one inopportune roll and your turn is over.’
    • ‘How this affects each couple is found in a series of vignettes that follow.’
    • ‘But a series of unexpected events make Rafael take a look at his situation.’
    • ‘The heart of the book is a series of chess problems followed by extremely detailed solutions.’
    sequence, succession, string, chain, concatenation, train, run, chapter, round, progression, procession
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    1. 1.1A set of books, maps, periodicals, or other documents published in a common format or under a common title.
      • ‘Most recently she has published a series of small spell books that are really good.’
      • ‘This is the second in a series of books in which the renowned novelist and her son retell Aesop's tales.’
      • ‘I've always thought it bad form to start adapting a series of books with a late entry.’
      • ‘The latest title in the series is published in June and Amazon says it has already received more than 100,000 orders.’
      • ‘The answer to Moorhead's prayer came by way of a series of books from the pen of Edwards on the nature of true spirituality.’
      • ‘In a series of books from the 1960s he searched for a theory of world society.’
      • ‘The recipe is to feature in the next book of the series, to be published in September.’
      • ‘Well, there was a series of books called the Nancy Drew Mystery Series.’
      • ‘This is the latest in a series of books to collect those studies.’
      • ‘She has published a series of books for adults and children and has won scores of honours.’
      • ‘She decided to start with a series of books about girls like Alicia and her friends.’
      • ‘He was at the same time working on a series of children's books to elaborate for children how the different races came to Guyana.’
      • ‘He published a series of books on the Sami language, names and folklore.’
      • ‘Mary Poppins was the first in a series of books about the title character - a magical English nanny.’
      • ‘They edit a series of books about poetics through the University of Alabama Press.’
      • ‘He published several series titled Hot Spring Notes, which he had begun during the war.’
      • ‘She has written the final title in her series of books on popular dance traditions of India.’
      • ‘One of a series of books on cooking worldwide, this one has everything you need to know about the regional specialities of Europe.’
      • ‘Most of these references are to a series of books where a medium channels an entity named Seth.’
      • ‘It is intended to publish a series of similar novels based on Irish history and mythology.’
    2. 1.2A set of games played between two teams, or among any number of individual competitors.
      ‘a playoff series against Portland’
      See also World Series
      • ‘It is the last game and the series and the team is battling to avoid the bottom spot.’
      • ‘Each series requires the same playoff intensity, the same passion, the same work ethic.’
      • ‘Both teams squared away the three-game test series in front of appreciative crowds.’
      • ‘Somewhere that doesn't convince us that will help the team win a playoff series.’
      • ‘We've got a game tomorrow that is probably the most pivotal game of the series, and we understand that.’
      • ‘It was also great to see the Spurs take out the Lakers, blowing out Los Angeles in the final game of the series.’
      • ‘Such was the difference in the strength of the respective teams that the series never rose above mediocrity.’
      • ‘Two days later, the teams engaged in the highest scoring game of the series.’
      • ‘Recent history shows the visiting team in this series is more likely to win the game.’
      • ‘The moment is dramatic and emotional whether the final series lasts four games or seven.’
      • ‘When Fox went down with a torn tendon in his left foot in the fourth game of the Minnesota series, the team rallied.’
      • ‘Now it's on to Game 7 for a series that has given us everything we could have hoped for and then some.’
      • ‘Once a playoff series commences, each game played is subjected to even closer scrutiny.’
      • ‘After three games, you get a feel for a series, but these teams seem to be really even.’
      • ‘If the Twins split the first two games of the division series on the road, look out when they return home.’
      • ‘They won a playoff series for the first time.’
      • ‘Each of those teams has a starter who is capable of winning two games in a playoff series.’
      • ‘He must be a guy who can be counted on to play well and play often when the game, the series, the season, are on the line.’
      • ‘This isn't the first year a team has gone into a series and played low-scoring games.’
      • ‘He already has added to clubhouse chemistry and was instrumental in last weekend's series against the Cubs.’
    3. 1.3A set of stamps, banknotes, or coins issued at a particular time or having a common design or theme.
      • ‘The first coin in the series was Delaware, which chooses an image of a man riding a horse.’
      • ‘There could be a whole series of Peanuts stamps and there probably will be.’
      • ‘Should a collector complete all the denominations in a coin series?’
    4. 1.4A line of products, especially vehicles or machines, sharing features of design or assembly and marketed with a separate number from other lines.
      ‘early models of the 600D series incorporated a centrifugal oil filter’
      ‘a series III SWB Land Rover’
      • ‘Its current line includes five F series forwarders and two H series harvesters.’
      • ‘Many users say that HP's decision to discontinue the e3000 series line is premature.’
      • ‘They are not going to look favorably on the idea that the A300 series may have a design flaw.’
      • ‘Siemens 45 series phones are less affected and can be resuscitated after about two minutes of work.’
      • ‘They've had to bring forward plans to install Rover K series engines which they intend to complete within the next two to three months.’
  • 2A set of related television or radio programs, especially of a specified kind.

    ‘a new drama series’
    • ‘A radio drama series written, set and recorded in Nigeria has won two prestigious awards.’
    • ‘Because of the risks of losing money here, the series producer may have decided to make several much cheaper and safer programmes in the series.’
    • ‘Indeed, he made his television debut in the series at the sprightly age of 75.’
    • ‘Meanwhile, she is seeking solace in a new TV series called Monk - about a hypochondriac detective.’
    • ‘Of course children's series have a problem with realism that adult dramas don't.’
    • ‘He is now working on a three-part TV series called Homecoming, and a feature film, Liverpool Leopard.’
    • ‘Civil naming ceremonies were made popular by the hit TV drama series Cold Feet - which is made in Manchester.’
    • ‘The series has delighted television executives with its unprecedented success.’
    • ‘Did you know that Lee created the Kung Fu television series but wasn't allowed to star in it himself?’
    • ‘The most serious crisis, however, was over the showing on national television of a series called River Elegy.’
    • ‘These are just some of the issues that National Radio's new BBC series The Asian Family explores.’
    • ‘They're making a six-part documentary series about an English family chasing their dream of living in a Scottish castle.’
    • ‘His progress will form the basis of a television series to be broadcast in the US next spring.’
    • ‘It reminds me of an episode from a criminally underrated television series, News Radio.’
    • ‘Nearly all television runs of the series actually showed the episodes in different orders.’
    • ‘The show will be on the slopes in St Moritz to present the first programme in this new ten programme series.’
    • ‘This pilot led to a full radio series, which quickly won a prestigious Sony Award.’
    • ‘The drama series is produced by BBC Wales and will be transmitted later next year.’
    • ‘About two or three year ago Yorkshire Television did a series on great houses.’
    • ‘As a television series, Buffy the Vampire Slayer has always been a bit of an odd duck.’
    set of programmes, programme, production, serial
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  • 3[as modifier] Denoting electrical circuits or components arranged so that the current passes through each successively.

    The opposite of parallel
    • ‘In a series circuit with two or more bulbs, which bulb lights first when the circuit is closed?’
    • ‘A series resistor and parallel cap were not as effective as a series inductor and the cap.’
  • 4Music

    another term for tone row
    • ‘The odd notes in the series represent a rising chromatic scale; the evens, a falling one.’
  • 5Geology
    (in chronostratigraphy) a range of strata corresponding to an epoch in time, being a subdivision of a system and itself subdivided into stages.

    ‘the Pliocene series’
    • ‘These series are chemically defined subdivisions of the Arequita Formation.’
    • ‘It seeks to achieve the precise definition of systems, series, and stages by the use of fossils within the Phanerozoic rocks.’
    • ‘A thinner series of these rocks occurs on top of horsts of Jurassic rocks.’
  • 6Chemistry
    A set of elements with common properties or of compounds related in composition or structure.

    ‘the metals of the lanthanide series’
    Compare with period
    • ‘These differences are noticed in all of the other isomers within the series.’
    • ‘Good examples of a series of elements in the same family are the transition metals.’
  • 7Mathematics
    A set of quantities constituting a progression or having the several values determined by a common relation.

    • ‘You'll have spotted a fundamental property of this ratio when you find the limiting value of the new series!’
    • ‘The main research topics which Genocchi worked on were number theory, series and the integral calculus.’
    • ‘A geometric series is defined as having a constant ratio between consecutive terms.’
    • ‘You are likely to have already met perhaps the most important series which is the geometric progression.’
    • ‘The puzzle here is that only one of these two puzzles involves the Fibonacci number series!’
  • 8Phonetics
    A group of speech sounds having at least one phonetic feature in common but distinguished in other respects.


  • in series

    • (of a set of batteries or electrical components) arranged so that the current passes through each successively.

      • ‘If you hook two batteries in series to get 3 volts, what does that do to the strength of the magnet?’
      • ‘In the Tandem Cell there are two photo catalytic cells arranged in series.’
      • ‘The panels themselves can be wired together in parallel or in series to produce a variety of currents suitable for almost any use.’
      • ‘Change your luck by wiring two 12V car batteries in series to get your engine started.’
      • ‘So to get the voltage needed for common applications, cells are assembled in series to form a fuel cell stack.’
      • ‘In extensive plants, it is also possible to connect the circuit-breakers in series.’
      • ‘It is connected in series between the utility power supply and the load.’
      • ‘The resistor will absorb some of the voltage across it when we place it in series with the resistor.’
      • ‘The prismatic 9V cells, as used in smoke detectors, contain six small cells wired in series.’
      • ‘There are a few laws of physics and other parameters that must be considered before adding an amplifier in series with a coaxial cable line.’


Early 17th century: from Latin, literally row, chain from serere join, connect.