Definition of trimester in English:

trimester

Line breaks: tri|mes¦ter
Pronunciation: /trʌɪˈmɛstə
 
/

noun

  • 1A period of three months, especially as a division of the duration of pregnancy.
    More example sentences
    • Placental tissue of a foetus aborted during the first trimester of pregnancy was tested for CMV infection.
    • Mothers were interviewed during the third trimester of pregnancy and one year after the birth.
    • There is no evidence that vaccination in the first trimester of pregnancy is unsafe.
  • 1.1North American Each of the three terms in an academic year.
    More example sentences
    • I also went to music school for two trimesters in between semesters in college.
    • Other schools are experimenting with trimesters.
    • She was on her first trimester (not for school) and was practically out of work when the loser bailed.

Derivatives

trimestral

adjective
More example sentences
  • What follows is our first effort to meet the new format agreed upon at the Manizales meeting - a short, trimestral report from the Coordination.
  • I have nine trimestral exams and one very big college entrance test.
  • Trimestral alternation of triple combinations of ARV did not affect the variables assessed.

trimestrial

adjective
More example sentences
  • During the first trimestrial revision, a 50% abatement is given on the income of the preceding month.
  • The CA working plan is organised around trimestrial meetings, bringing together the participants of 29 countries.
  • Ten wild Lima bean populations were sampled during the 1995, 1996, 1997, or 1998 first trimestrial period.

Origin

early 19th century: from French trimestre, from Latin trimestris, from tri- 'three' + mensis 'month'.

More definitions of trimester

Definition of trimester in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody