Definition of period in English:

period

noun

  • 1A length or portion of time.

    ‘he had long periods of depression’
    ‘the period 1977–85’
    ‘the training period is between 16 and 18 months’
    • ‘They extend the grace period for the repayment of the loan till March 2006.’
    • ‘Unlike here, there has been a significant increase in supply following the long period of inactivity.’
    • ‘The prediction is based on the crimes committed so far in the period under review.’
    • ‘Hopefully, the pertinent questions will be asked after the initial period of mourning.’
    • ‘Both males and females undergo periods of inactivity from November until March.’
    • ‘The 1980s were a hectic period in his personal life.’
    • ‘The survey covered the one-year period ending November, 2003.’
    • ‘A military judge can extend the period of detention incommunicado up to 90 days.’
    • ‘After all, a new president enjoys a honeymoon period of three months at most.’
    • ‘She hadn't left Hong Kong during the two-week incubation period, it said.’
    • ‘One of the most enjoyable events in Bolivia is Carnival, the period preceding Lent.’
    • ‘The file dates span the period between September 1996 and April 1997.’
    • ‘Benefits are usually offered after a six-month probationary period and backdated to the start of employment.’
    • ‘Generally, consumers have accepted the relatively short periods of 14 to 21 days for half or full gallons of milk.’
    • ‘They are born in relatively short periods after long periods of social disintegration.’
    • ‘These results show that spectacular gains may be made in relatively short periods from what may have seemed the least likely candidates.’
    • ‘It is fascinating to relate aerial photographs to maps of all periods, especially on the coast where continuous erosion and deposits often show extravagant change over relatively short periods of time.’
    • ‘The fluvial sediments, however, represent rapid deposition in relatively short periods (days or months).’
    • ‘Hauling and applying manure may require large blocks of time for relatively short periods throughout the year.’
    • ‘On release from prison he will have to serve an extended two-year period on licence.’
    time, spell, interval, stretch, term, span, phase, session, bout, run, space, duration, chapter, stage
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    1. 1.1 A portion of time in the life of a nation, civilization, etc. characterized by the same prevalent features or conditions.
      ‘the early medieval period’
      • ‘Nevertheless, the eighteenth century was a period of rapid urban growth.’
      • ‘The Book of Kells is one of the great masterpieces that has come down to us from a period often referred to as the Dark Ages.’
      • ‘Of these, 98 per cent cover the 19th and 20th centuries, while only 16 per cent cover medieval or earlier periods.’
      • ‘Also featured will be works from the Byzantine, Medieval, and Renaissance periods, as well as late 18th and early 19th century art.’
      • ‘Magical beliefs and practices existed at all social levels in the medieval and early modern periods, and were enmeshed in medical and scientific thought and techniques.’
      • ‘The art forms that emerged in the early period of civilisation are primitive and catered to a people who had no alternative.’
      • ‘We have entered a critical period in financial history.’
      • ‘Economists and historians regard a reduction in real wages as one of the distinguishing features of the modern period.’
      • ‘Yet the 1990s was a very robust period of growth.’
      • ‘His work has focused on the medieval and early modern periods.’
      • ‘Life at the bottom of society was always difficult in the late medieval and early modern periods: but around 1600 conditions for many of the poor were terrible.’
      • ‘To be sure, the public prayer forms of the West needed culling and refining by the late medieval and early Renaissance periods.’
      • ‘In these, information about the history of the regions and archaeological discoveries bring the Viking and early medieval periods to life.’
      • ‘You said we entered a dark period in American history.’
      • ‘The life that one sacrificed to God or king in the medieval and early modern periods became, with the advent of modernity, a life offered in the name of one's country.’
      • ‘The late 1950s and early 1960s were a period of expansion and creativity.’
      • ‘The early 1990s also was a period of persistently sluggish growth - in credit, employment and GDP.’
      • ‘This strong connection between politics and music is a feature of the period.’
      • ‘The nineteenth century was a period of unparalleled imperial expansion.’
      • ‘If we confine ourselves to Europe in the late medieval and early modern periods, we find that at least initial studies have been completed on England, France, Amsterdam, and parts of Germany.’
      era, age, epoch, time, days, years, aeon
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    2. 1.2 A major division of geological time that is a subdivision of an era and is itself subdivided into epochs.
      ‘the Cretaceous period’
      • ‘This book shows the dynamic effects of the many periods of Pleistocene glacial advance and melting on the geology and topography of the northwestern United States.’
      • ‘Geological periods are defined with reference to a Global Boundary Stratotype Section and Point.’
      • ‘Because the Miocene is closer to the present day than most other periods of geologic time, it is easier to see the effects of events, and to interpret patterns.’
      • ‘Most are restricted to one or two geologic periods, and a few contain only one genus.’
      • ‘The event, known as the Great Dying, occurred about 250 million years ago at the boundary between the Permian and Triassic periods.’
      • ‘In contrast, dinosaur fossils have been traced in Triassic, Jurassic and Cretaceous periods.’
      • ‘We have additional information on the geological time periods along the top of the image.’
      • ‘Historically, the Cenozoic has been divided up into the Quaternary and Tertiary sub-eras, as well as the Neogene and Paleogene periods.’
      • ‘Because of this, clay becomes progressively less common in older geological periods and is almost never found in Precambrian formations.’
      • ‘Evolutionists say these formations represent three different geological periods ranging from 35 to 245 million years.’
      • ‘This was accompanied by the multistage emplacement of large intrusive bodies in the Cambrian, Ordovician, and Silurian periods.’
      • ‘Later geological periods show similar patterns of sudden appearance, stasis and persistent chasms of difference between major groups.’
      • ‘During the Cretaceous and the Tertiary periods large parts of the present subcontinent of India were flooded by multiple lava flows.’
      • ‘The following table shows the three eras and eleven geological periods that comprise the Phanerozoic.’
      • ‘Extinctions have also occurred in all other periods of geological time.’
      • ‘Despite our lack of knowledge, or perhaps because of it, researchers have divided the Precambrian into three time periods called eons.’
      • ‘The right-hand column lists the six major epochs into which the periods are divided.’
      • ‘The extinction occurred at the boundary between the Permian and Triassic periods at a time when all land was concentrated in a supercontinent called Pangea.’
      • ‘The Great Dying occurred between the Permian and Triassic periods, when all of today's continents were concentrated in one great land mass called Pangea.’
      • ‘The Mesozoic era lasted from about 251 to 66 million years ago and includes the Triassic, Jurassic, and Cretaceous periods.’
    3. 1.3 Each of the set divisions of the day in a school allocated to a lesson or other activity.
      ‘two periods of PE are allocated on the timetable’
      ‘he interviewed the teachers when they had a free period’
      • ‘Despite the fact that this lesson took several class periods to complete, I feel it was definitely worth it.’
      • ‘Uh, you really need to take this up next period in your Comparative Religion class.’
      • ‘To accommodate the rich level of activity hoped for in his mathematical laboratory, he proposed that two consecutive class periods be allocated to it.’
      • ‘By the time I got to class, the first period bell was ringing.’
      • ‘Most of my teachers were unaware of my hours of research in the school library; the reason for this was that I was supposed to be doing something else in my free periods, so I kept quiet about what I was doing.’
      • ‘My parents were a bit worried when they saw all the free periods in my timetable.’
      • ‘I would look at it later and make sense of it but, as for now, I had to get to my next lesson because the free period would probably be nearing an end.’
      • ‘James had a free for periods five and six, so he was in the IT room, out of the cold.’
      • ‘I took a seat in the middle near the window in my fourth period class which was art.’
      • ‘In my day, that meant the four boys who drank it in an alley near school during free periods (I joined them once and will spare you the details).’
      • ‘Even the teacher was very interested in the argument, so she gave the class a free period.’
      • ‘Teachers should also be in classrooms for all the periods allocated to them and those who served as councillors should be filled in for, he said.’
      • ‘The total lesson takes several class periods and I recite the poems to motivate my young artists many times throughout the lesson.’
      • ‘Youngsters coming out of school during free periods were also blamed for trouble in the town.’
      • ‘When I was looking for my third period class which is Health, the halls were really crowded.’
      • ‘I never really got why lessons were called periods.’
      • ‘Dumping her test into the inbox she left the classroom for fourth period Health.’
      • ‘Nothing could bring him down… until he reached his third period Algebra class.’
      • ‘Walking down the hallway towards first period trigonometry Jordan smiled as she passed people.’
      • ‘The two of them reached the door to their first period study hall room.’
      lesson, class, session
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    4. 1.4 Each of the divisions of the playing time of a sporting event.
      ‘the Lightnings ran at the Leafs hard in a very rough first period’
      • ‘They totally dominated the first period, scoring five and conceding one.’
      • ‘They turned into gaping holes in the final period when three Belfast goals in as many minutes ended the contest.’
      • ‘The second period of extra time saw the home side get a goal back.’
      • ‘Between periods in the locker rooms, IVs drip fluids into dehydrated athletes, who eat bananas and drink even more liquids to fight off cramping.’
      • ‘In the second period of extra time United pushed hard looking again for another equaliser.’
      • ‘Teams play full periods with no TV timeouts - the ultimate test of conditioning.’
      • ‘The match ended scoreless in normal time, but the team conceded a goal in the first period of extra time.’
      • ‘But, once he scored in the sixth minute of the injury time, the script for the extra time periods could have been written.’
      • ‘Why is a penalty in the first period of a game in December not a penalty in the third period of a game in March?’
      • ‘However, with almost the last kick of the game, he scored the winning point in the fourth period of extra time.’
      • ‘A tense period of extra-time failed to produce a winning goal for either team.’
      • ‘Venezuela was reduced to ten players for the second period of extra time and the pressure shifted to Uruguay.’
      • ‘Kinsale scored the decisive second goal three minutes into the first period of extra-time.’
      • ‘If games are tied at full-time an extra period will be played with the first team to score winning the game.’
      • ‘His save percentage and GAA in the third period is better than in the first two periods.’
      • ‘There is an extra period called injury time, usually in the vicinity of three minutes.’
      • ‘There were no goals in the first period of extra time but within a minute of the restart a through-ball fell to Bowers, who made no mistake.’
      • ‘He also missed a 30m penalty in the first period of extra time.’
      • ‘In the first period of extra time both teams played at a frenetic pace with tenacious defending keeping Keighley's hopes alive.’
      • ‘There have been 17 periods of extra time in European Championships and World Cups since the Golden Goal system began at Euro 96.’
  • 2Physics
    The interval of time between successive occurrences of the same state in an oscillatory or cyclic phenomenon, such as a mechanical vibration, an alternating current, a variable star, or an electromagnetic wave.

    • ‘To produce a larger effect, the motion must accumulate, and for wave-impulses to accumulate, they must arrive in periods identical with the periods of vibration of the atoms on which they impinge.’
    1. 2.1Astronomy The time taken by a celestial object to rotate about its axis, or to make one circuit of its orbit.
      • ‘The atmosphere rotates with periods ranging from over 18 hours near the equator to faster than 13 hours near the poles.’
      • ‘Certainly the book would be more compelling if it contained a success story on a par with accounting for the periods of the planetary orbits or the perihelion shift of Mercury.’
      • ‘In contrast, Jupiter-family comets tend to have predictable, well-determined orbits with short periods and low inclinations.’
      • ‘The first problem Galileo attacked at Florence was to determine orbits and periods for Jupiter's four satellites.’
      • ‘Typical distances from the Sun are 10,000 astronomical units, and typical orbital periods are on the order of 1 million years.’
    2. 2.2Mathematics The interval between successive equal values of a periodic function.
      • ‘What is the period of the continued fractions of the following numbers?’
      • ‘In 1834 Jacobi proved that if a single-valued function of one variable is doubly periodic then the ratio of the periods is imaginary.’
  • 3A flow of blood and other material from the lining of the uterus, lasting for a few days and occurring in sexually mature women who are not pregnant at intervals of about one lunar month until the menopause.

    ‘she's got her period’
    as modifier ‘period pains’
    • ‘A headache diary may be necessary to confirm the relationship between migraine and menstruation, especially if periods are irregular.’
    • ‘Amenorrhea just means an absence of menstrual cycles or periods for at least about three to six months, and the particular type of amenorrhea that we were studying is called hypothalamic.’
    • ‘Amenorrhoea is the absence of periods (menstruation).’
    • ‘Examples include when a partner leaves, pregnancies among very young women, those with irregular periods or at the menopause, or when testing has shown a baby with abnormalities.’
    • ‘It is common to have heavy blood flow at the beginning of a period and lighter blood flow at the end.’
    • ‘During early pregnancy, some women develop acne, especially those who were prone to breakouts during menstrual periods before becoming pregnant.’
    • ‘It affects women much more often than men, because women lose some blood in each menstrual period between puberty and the menopause.’
    • ‘Because sex during menstruation may increase the chances of transmitting or contracting HIV, it may be safer for women to wait until their periods are over to have sex.’
    • ‘About 60% of women who say they have heavy periods are found to have normal periods when their blood loss is measured.’
    • ‘Many women don't suspect they're pregnant until their period doesn't arrive.’
    • ‘Some older women think the absence of periods is related to menopause and not pregnancy.’
    • ‘Three standard gynecological texts state that the commonly observed interval between menstrual periods is 26 to 30 days, 24 to 32 days, and 24 to 35 days.’
    • ‘It mostly affects women between the ages of 50 and 70, who have been through the menopause (when your periods stop).’
    • ‘Most women have some crampy pain with their periods, especially as teenagers.’
    • ‘During puberty or nearing menopause, many women have irregular periods so no treatment is necessary.’
    • ‘Women may also experience painful periods and pain during sexual intercourse.’
    • ‘Women who receive chemotherapy may have a change in their periods or menstrual cycles.’
    • ‘If a woman does not have periods (due to menopause or removal of uterus), then it may be done on a fixed day of the month.’
    • ‘You then need to use progesterone pessaries until your periods start again.’
    • ‘Sometimes the cause is clear, for example in women who are pregnant or have heavy periods.’
    menstruation, menstrual flow
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  • 4North American A full stop.

    • ‘He often ended interrogatives with periods.’
    • ‘Simple input issues such as periods or abbreviations would make older databases think it was a new entry.’
    • ‘The dependent clause following the first period appears to be a sentence fragment.’
    • ‘There are two periods at the end of the last sentence in the first testimonial.’
    • ‘As he talked he jabbed the lit end of his cigar into the air as though he were punctuating his sentences by burning periods in the air.’
    • ‘Small pauses were commas, larger ones were semicolons and colon; and periods of course were the longest pause of all.’
    • ‘The first sentence should have been ended with a period and not a question mark.’
    • ‘As you could guess, exclamation points outnumbered periods in her story.’
    • ‘A name is nothing but two proper nouns with a letter and a period stuck between them.’
    • ‘These marks are very small indeed, about the size of a period at the end of a sentence.’
    • ‘The dominant American style is to include commas and periods within quotation marks even when that punctuation doesn't belong to the quotation.’
    • ‘We use American punctuation standards - put your commas and periods inside your quotation marks.’
    • ‘He put a period on the end of the last sentence, and placed the pen down with a loud sound and looked up at her.’
    full stop, full point, point, stop
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    1. 4.1informal Added to the end of a statement to indicate that no further discussion is possible or desirable.
      ‘he is the sole owner of the trademark, period’
      • ‘He could simply have said he favours public ownership, full stop, period.’
      • ‘"You hate cats period, " Tiffany reminded her fondly.’
      and that's that, and that is the end of the matter, full stop, finis
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  • 5Chemistry
    A set of elements occupying a horizontal row in the periodic table.

    • ‘As we move down the periods, the elements have a greater atomic weight.’
    • ‘The horizontal rows or periods also have predictable trends in characteristics because as you move left to right in a row only one electron is added changing the atomic number by one.’
  • 6Rhetoric
    A complex sentence, especially one consisting of several clauses, constructed as part of a formal speech or oration.

    • ‘There is frequently poor closure of periods and an inept employment of rhythm in the closure of stanzas and of poems.’
    1. 6.1Music A complete idea, typically consisting of two or four phrases.
      • ‘His's an oceanic performance that gives emphasis to the work's undulating hemiolas as they reach across bar lines and destabilize phrase periods.’

adjective

  • attributive Belonging to or characteristic of a past historical time, especially in style or design.

    ‘an attractive and beautifully modernized period house’
    ‘a splendid selection of period furniture’
    • ‘The anniversary of a momentous battle fought only a few miles from York has been marked in period style.’
    • ‘First performed in 1948, it is interesting today only as a period piece.’
    • ‘The owners of one of the most important period houses in Cork are to cut their losses after a bitter planning saga.’
    • ‘This old period house and shop front set beside the bridge and River Moy has a mystique all of its own.’
    • ‘At the first event some people were unsure about dressing up in period costume.’
    • ‘Each of the five apartments is spacious and well-equipped and decorated in period style.’
    • ‘This stylishly renovated period lodge has been designed to take full advantage of the mature front garden.’
    • ‘Some town councillors donned period costume to add to the authenticity of the celebrations.’
    • ‘There are eight suites - all decorated by Patricia with French period furniture.’
    • ‘He said that period houses of this type and location were among some of the most popular in the city.’
    • ‘The houses would need to be empty and if they have period furniture and furnishings that would be an extra advantage.’
    • ‘However, although much work was needed, care was taken to preserve the period style of the mansion.’
    • ‘They are furnished in period style and presented to the public as representative of a national or regional cultural tradition.’
    • ‘We are in the early 1970s, with plenty of gleaming period automobiles rolling past on cue.’
    • ‘The hotel's 64 rooms are in comfortable period style, with heavy doors and lots of antiques and arches.’
    • ‘One of the highlights of the weekend will be period re-enactments of historical trials in the old Law Courts in City Hall.’
    • ‘The room is furnished with expensive period furniture and even an antique gramophone.’
    • ‘A home that has both period style and modern comforts - is it perfection?’
    • ‘The walls are painted in a soft cream colour and there are period style fireplaces at either end.’
    • ‘This house is a great blend of period qualities and contemporary design.’
    in period style, period, nostalgic, evocative, of yesteryear, olde worlde
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Phrases

  • put a period to

    • dated Put an end to.

      ‘in dry climates, the onset of summer drought may put a period to plant activity’
      • ‘Why are you determined to put a period to your own existence if his is the pistol that's primed?’
      • ‘After all, he alone correctly predicted her response, warning him that she could not outlive the ‘perpetrated outrage,’ and that ‘wasting grief [would] put a period to her days ’.’
      • ‘Then there's a lull; people stare into their empty glasses, then pat the table with open palms and put a period to our merry night.’
      • ‘Plot had not originally intended to include such material in the book since he believed that the chapter on arts had ‘finish'd the Natural History of Oxford-shire’ and prompted him ‘accordingly [to] here put a period to my Essay!’’
      • ‘‘They say they want to put a period to my presidency.’’
      bring to an end, bring to a close, finish, close, wind up, terminate, dissolve
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Origin

Late Middle English (denoting the time during which something, especially a disease, runs its course): from Old French periode, via Latin from Greek periodos ‘orbit, recurrence, course’, from peri- ‘around’ + hodos ‘way, course’. The sense ‘portion of time’ dates from the early 17th century.

Pronunciation

period

/ˈpɪərɪəd/