trimestern.
/trʌɪˈmɛstə/, /ˈtrʌɪmɛstə/, U.S. /ˈˌtraɪˈˌmɛstər/ A period or term of three months; spec. each of three such periods into which human gestation is divided.
ΘΚΠ
the world > time > period > a month or calendar month > [noun] > period of specific number of months
trimester1821
the world > life > biology > biological processes > procreation or reproduction > pregnancy or gestation > [noun] > period of
timeOE
reckoning1575
full term1607
trimester1821
1821 S. Weston (title) A Trimester in France and Swisserland; or, a three months' journey..from Calais to Basle.
1895 Cycl. Rev. Current Hist. (U.S.) 5 573 The cause of the insurgents seems to have made good progress in the third trimester of the revolt.
1907 Westm. Gaz. 6 Feb. 12/1 His two trimesters at Bonn University barely sufficed for him to attend a score of lectures.
1916 G. P. Shears Obstetrics ii. 27 Most writers divide pregnancy into three periods of three months each, three trimesters, as they are often called.
1938 A. L. Mudaliar Clin. Obstetr. vi. 33 The signs and symptoms vary with the different periods of pregnancy, and we shall classify them into..the first, second and third trimesters of pregnancy.
1980 Gates & Meckel Newborn Beauty (1981) iii. 79 During the first trimester you may feel nauseated, fatigued, and lose your appetite.
Derivatives
ΚΠ
1623 H. Cockeram Eng. Dict. Trimestre, of three moneths.
This entry has not yet been fully updated (first published 1914; most recently modified version published online March 2022).
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