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English definition of “period”

period

noun [C] (TIME)   /ˈpɪər·i·əd/
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.
(Definition of period noun (TIME) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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