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1. Dictionary

   period

   /ˈpɪərɪəd/

   noun

   • 1. a length or portion of time: "he had long periods of depression" Similar timespellintervalstretchtermspanphasesessionboutrunspacedurationchapterstagewhileinformal:patch
   • ▪ a portion of time in the life of a nation, civilization, etc. characterized by the same prevalent features or conditions: "the early medieval period" Similar eraageepochtimedaysyearsaeongenerationdate
   • ▪ a major division of geological time that is a subdivision of an era and is itself subdivided into epochs: "the Cretaceous period"
   • ▪ 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" Similar lessonclasssession
   • ▪ 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"
   • 2. 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.
   • ▪ the time taken by a celestial object to rotate about its axis, or to make one circuit of its orbit.
   • ▪ the interval between successive equal values of a periodic function.
   • 3. a flow of blood and other material from the lining of the uterus, occurring in non-pregnant women at intervals of about 28 days between puberty and the menopause and typically lasting for a few days: "she's got her period" Similar menstruationmenstrual flowinformal:the cursemonthliestime of the monthtechnical:mensesarchaic:timerare:flowers
   • 4. a punctuation mark (.) used at the end of a sentence or an abbreviation; a full stop. North American Similar pointstopfull stopfull point
   • ▪ added to the end of a statement to indicate that no further discussion is possible or desirable: informal North American "he is the sole owner of the trademark, period" Similar and that's thatand that is the end of the matterfinisfull stop
   • 5. a set of elements occupying a horizontal row in the periodic table.
   • 6. a complex sentence, especially one consisting of several clauses, constructed as part of a formal speech or oration.
   • ▪ a complete idea, typically consisting of two or four phrases.

   adjective

   • 1. belonging to or characteristic of a past historical time, especially in style or design: "an attractive and beautifully modernized period house"

   Word 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.

   Scrabble Points: 9

   • P

     3

   • E

     1

   • R

     1

   • I

     1

   • O

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   • D

     2

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2. dictionary.cambridge.org › dictionary › englishPERIOD | English meaning - Cambridge Dictionary

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   Learn the meanings and uses of the word period in different contexts, such as time, blood, mark, and history. Find out how to pronounce period and see examples of sentences with period.

   • English (US)

     a fixed time during the life of a person or in history: Most...

   • Period: Arabic Translation

     PERIOD translate: فَتْرة, حِصّة دِراسِيّة, نُقطة في نِهاية...

   • Vietnamese Translation

     PERIOD translate: giai đoạn, kỷ, dấu chấm, cổ/ lâu. Learn...

   • Period in Japanese

     PERIOD translate: 期間 , ～の間, （授業の）時間, コマ, ピリオド , 終止符(.) ,...

   • Period: German Translation

     PERIOD translate: die Zeitspanne, das Zeitalter, der Punkt,...

   • Earnout Period

     earnout period definition: a period of time after the sale...

   • Safe Period

     safe period definition: 1. the few days just before and...

   • Accounting Period

     ACCOUNTING PERIOD definition: a period of time at the end of...

3. www.merriam-webster.com › dictionary › periodPeriod Definition & Meaning - Merriam-Webster

   www.merriam-webster.com › dictionary › period

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4. Videos

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     What Are Periods & Groups In The Periodic Table? | Properties of Matter | Chemistry | FuseSchool

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     Amplitude, period, frequency and wavelength of periodic waves | Physics | Khan Academy

     16 Mar 2010

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     Definition of Amplitude and Period | Physics | Khan Academy

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5. dictionary.cambridge.org › us › dictionaryPERIOD | definition in the Cambridge English Dictionary

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   Learn the meaning of period as a noun, adjective, and mark in English. Find out how to use period in different contexts, such as time, history, blood, sports, and science.

6. www.dictionary.com › browse › periodPERIOD Definition & Meaning | Dictionary.com

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   noun. a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany. any specified division or portion of time: poetry of the period from 1603 to 1660. Synonyms: term.

7. www.collinsdictionary.com › dictionary › englishPERIOD definition and meaning | Collins English Dictionary

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   Learn the various meanings and uses of the word period in English, from a length of time to a punctuation mark. Find synonyms, examples, pronunciation, and grammar tips for period.

8. www.vocabulary.com › dictionary › periodPeriod - Definition, Meaning & Synonyms | Vocabulary.com

   www.vocabulary.com › dictionary › period

   A period is all about defining when something begins and ends. Class periods usually last about forty-five minutes. Following the last food fight, there was a period of relative peace in the school. You know that dot at the end of a sentence? That's a period too. It means the sentence is over.

9. www.thefreedictionary.com › periodPeriod - definition of period by The Free Dictionary

   www.thefreedictionary.com › period

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   Learn the meaning and usage of the word period in different contexts, such as punctuation, time, science, and art. Find synonyms, related terms, and examples of period in sentences.