Definition of series in English:


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nounplural noun series

  • 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 event featured a series of panel discussions related to issues of media.’
    • ‘The leaders of various intelligence agencies worry about a series of high-profile events this summer.’
    • ‘You might have planned out a whole series of attacks, but one inopportune roll and your turn is over.’
    • ‘The unions have launched a series of meetings with the Co-op funeral company managers.’
    • ‘He has been conducting a series of workshops around the country on wartime journalism ethics.’
    • ‘The result was a series of seven front-page articles on the subject.’
    • ‘The frustrated escape attempt was followed by a series of violent attacks early Wednesday morning.’
    • ‘How this affects each couple is found in a series of vignettes that follow.’
    • ‘Now a new scheme is to be discussed at a series of public meetings.’
    • ‘I could take hours describing the series of events that lead up to this.’
    • ‘But a series of unexpected events make Rafael take a look at his situation.’
    • ‘The operation was part of a series of drug raids in the Bolton area.’
    • ‘But all the 10 people arrested in a series of raids were later released.’
    • ‘Over the Christmas period there were a series of reminders of just what that mania has meant for transport.’
    • ‘The book presents a series of possible solutions to this problem of affordable access.’
    • ‘The heart of the book is a series of chess problems followed by extremely detailed solutions.’
    • ‘Instead, the book presents a series of glimpses into the lives of the nation's first families.’
    • ‘During this period, a series of abductions took place, suggesting that he might have been involved in these cases.’
    • ‘The crucial break came in the sixth game, a series of magnificent backhands from Federer engineering the opportunity.’
    • ‘Both teams began the game with a series of handling errors and no one was able to gain the upper hand.’
    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.
      ‘the first four books in the Toybox Science series’
      • ‘ a series of travel books’
      • ‘Most recently she has published a series of small spell books that are really good.’
      • ‘He published a series of books on the Sami language, names and folklore.’
      • ‘She has published a series of books for adults and children and has won scores of honours.’
      • ‘The latest title in the series is published in June and Amazon says it has already received more than 100,000 orders.’
      • ‘The recipe is to feature in the next book of the series, to be published in September.’
      • ‘It is intended to publish a series of similar novels based on Irish history and mythology.’
      • ‘She has written the final title in her series of books on popular dance traditions of India.’
      • ‘They edit a series of books about poetics through the University of Alabama Press.’
      • ‘Mary Poppins was the first in a series of books about the title character - a magical English nanny.’
      • ‘He published several series titled Hot Spring Notes, which he had begun during the war.’
      • ‘Well, there was a series of books called the Nancy Drew Mystery Series.’
      • ‘This is the second in a series of books in which the renowned novelist and her son retell Aesop's tales.’
      • ‘One of a series of books on cooking worldwide, this one has everything you need to know about the regional specialities of Europe.’
      • ‘This is the latest in a series of books to collect those studies.’
      • ‘Most of these references are to a series of books where a medium channels an entity named Seth.’
      • ‘I've always thought it bad form to start adapting a series of books with a late entry.’
      • ‘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.’
      • ‘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.’
    2. 1.2A set of games played between two teams, or among any number of individual competitors.
      See also World Series
      ‘a playoff series against Portland’
      • ‘Once a playoff series commences, each game played is subjected to even closer scrutiny.’
      • ‘Each of those teams has a starter who is capable of winning two games in a playoff series.’
      • ‘Somewhere that doesn't convince us that will help the team win a playoff series.’
      • ‘When Fox went down with a torn tendon in his left foot in the fourth game of the Minnesota series, the team rallied.’
      • ‘It is the last game and the series and the team is battling to avoid the bottom spot.’
      • ‘Two days later, the teams engaged in the highest scoring game of the series.’
      • ‘This isn't the first year a team has gone into a series and played low-scoring games.’
      • ‘After three games, you get a feel for a series, but these teams seem to be really even.’
      • ‘Each series requires the same playoff intensity, the same passion, the same work ethic.’
      • ‘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.’
      • ‘It was also great to see the Spurs take out the Lakers, blowing out Los Angeles in the final game of the series.’
      • ‘The moment is dramatic and emotional whether the final series lasts four games or seven.’
      • ‘We've got a game tomorrow that is probably the most pivotal game of the series, and we understand that.’
      • ‘Now it's on to Game 7 for a series that has given us everything we could have hoped for and then some.’
      • ‘If the Twins split the first two games of the division series on the road, look out when they return home.’
      • ‘Recent history shows the visiting team in this series is more likely to win the game.’
      • ‘Such was the difference in the strength of the respective teams that the series never rose above mediocrity.’
      • ‘Both teams squared away the three-game test series in front of appreciative crowds.’
      • ‘They won a playoff series for the first time.’
      • ‘He already has added to clubhouse chemistry and was instrumental in last weekend's series against the Cubs.’
    3. 1.3A 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’
      • ‘They are not going to look favorably on the idea that the A300 series may have a design flaw.’
      • ‘Many users say that HP's decision to discontinue the e3000 series line is premature.’
      • ‘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.’
      • ‘Its current line includes five F series forwarders and two H series harvesters.’
    4. 1.4A set of stamps, banknotes, or coins issued at a particular time or having a common design or theme.
      ‘a series of five stamps issued today to mark the 14th World Orchid Conference’
      • ‘Should a collector complete all the denominations in a coin series?’
      • ‘There could be a whole series of Peanuts stamps and there probably will be.’
      • ‘The first coin in the series was Delaware, which chooses an image of a man riding a horse.’
  • 2A set of related television or radio programs, especially of a specified kind.

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

    another term for tone row

    • ‘The odd notes in the series represent a rising chromatic scale; the evens, a falling one.’
  • 4as modifier Denoting electrical circuits or components arranged so that the current passes through each successively.

    The opposite of parallel

    ‘a series circuit’
    • ‘the series connection of the two coils’
    • ‘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.’
  • 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’
    • ‘It seeks to achieve the precise definition of systems, series, and stages by the use of fossils within the Phanerozoic rocks.’
    • ‘These series are chemically defined subdivisions of the Arequita Formation.’
    • ‘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.

    Compare with period (sense 5 of the noun)

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

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

    • ‘the voiced plosive series [b], [d], [g]’



/ˈsirēz/ /ˈsɪriz/


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

      ‘the four field coils are connected in series’
      • ‘a current-sensing relay which is in series with the heater element’
      • ‘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.’
      • ‘In extensive plants, it is also possible to connect the circuit-breakers 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.’
      • ‘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.’
      • ‘The resistor will absorb some of the voltage across it when we place it in series with the resistor.’
      • ‘It is connected in series between the utility power supply and the load.’
      • ‘The panels themselves can be wired together in parallel or in series to produce a variety of currents suitable for almost any use.’
      • ‘The prismatic 9V cells, as used in smoke detectors, contain six small cells wired in series.’


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