period Definition in the Cambridge English Dictionary Cambridge dictionaries logo
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Definition of “period” - English Dictionary

"period" in American English

See all translations

periodnoun [C]

us   /ˈpɪər·i·əd/
  • period noun [C] (TIME)

a length of time: The study will be carried out over a six-month period.
A period in the life of a person or in history is a particular time during that life or history: The period after World War II was marked by rapid economic growth.
A period is a division of time in an event of fixed length, such as a day at school or a game: There was no scoring in the second period.
physics A period is the time it takes for one complete repetition of a pattern that repeats. A second is used as the standard unit in most areas of science.
Period costume/dress/furniture is the clothing or furniture of a particular time in history: At the Revolutionary War theme park, everyone was wearing period costumes.
  • period noun [C] (MARK)

a mark (.) used in writing to show where the end of a sentence is, or to show that the letters before it are an abbreviation (= short word form)
infml You can say period at the end of a statement as a way of adding emphasis: There will be no more shouting, period!
  • period noun [C] (BLEEDING)

also menstrual period, /ˈmen·strəlˌpɪr·i·əd, -strə·wəl-/ the bleeding from a woman’s uterus that happens approximately every four weeks when she is not pregnant
  • period noun [C] (REPEATED EVENT)

  • period noun [C] (ROW)

chemistry any of the rows in the periodic table of chemical elements
(Definition of period from the Cambridge Academic Content Dictionary © Cambridge University Press)







"period" in British English

See all translations

periodnoun [C]

uk   /ˈpɪə.ri.əd/ us   /ˈpɪr.i.əd/
  • period noun [C] (TIME)

B1 a length of time: Her work means that she spends long periods away from home. Unemployment in the first half of the year was 2.5 percent lower than in the same period the year before. 15 people were killed in/over a period of four days. The study will be carried out over a six-month period.
B1 in school, a division of time in the day when a subject is taught: We have six periods of science a week.
a fixed time during the life of a person or in history: Most teenagers go through a rebellious period. The house was built during the Elizabethan period.

expend iconexpend iconMore examples

  • period noun [C] (BLOOD)

the bleeding from a woman's womb that happens once a month when she is not pregnant: period pains She'd missed a period and was worried.
  • period noun [C] (MARK)

mainly US UK usually full stop the symbol . used in writing at the end of a sentence or at the end of the short form of a word
mainly US said at the end of a statement to show that you believe you have said all there is to say on a subject and you are not going to discuss it any more: There will be no more shouting, period!

periodadjective

uk   /ˈpɪə.ri.əd/ us   /ˈpɪr.i.əd/
(Definition of period from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

"period" in Business English

See all translations

periodnoun [C]

uk   /ˈpɪəriəd/ us  
a length of time: a period of six months/10 years, etc. This debt is repayable over a period of five years in equal quarterly instalments. Profit fell 75.1% from the same period a year ago. The Government will make an additional 10% contribution for a limited period. The second quarter of the year should have been a busy period.
(Definition of period from the Cambridge Business English Dictionary © Cambridge University Press)
What is the pronunciation of period?
Add Cambridge dictionaries to your browser to your website
Watching the detectorists
Watching the detectorists
by ,
May 31, 2016
by Colin McIntosh You could be forgiven for thinking that old-fashioned hobbies that don’t involve computers have fallen out of favour. In fact, nothing could be further from the truth. If anything, the internet has made it easier for people with specialist hobbies from different corners of the world to come together to support one another

Read More 

Word of the Day

biodegrade

to decay naturally and in a way that is not harmful

Word of the Day

decision fatigue noun
decision fatigue noun
May 30, 2016
a decreased ability to make decisions as a result of having too many decisions to make Our brains have a finite number of decisions they can make before they get depleted and become less discerning – so this is called decision fatigue.

Read More