trimester Meaning in the Cambridge English Dictionary
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Meaning of “trimester” in the English Dictionary

"trimester" in British English

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trimesternoun [C]

uk   /trɪˈmes.tər/ /traɪ-/  us   /traɪˈmes.tɚ/
a three-month ​period any of the three three-month ​periods that a ​humanpregnancy is ​divided into: The second trimester is ​generally the ​easiestpart of a ​pregnancy. US any of the three-month ​periods into which the ​school or ​collegeyear is sometimes ​divided: Many ​studentsarrangeinternships or work-study ​placements during the second trimester.
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(Definition of trimester from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"trimester" in American English

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trimesternoun [C]

 us   /trɑɪˈmes·tər/
A trimester is any of the three, three-month ​periods that a ​humanpregnancy is ​divided into. A trimester is also any of the three ​periods into which the ​school or ​collegeyear is sometimes ​divided.
(Definition of trimester from the Cambridge Academic Content Dictionary © Cambridge University Press)
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