trimester [trahy-mes-ter, trahy-mes-] EXAMPLES|WORD ORIGIN noun a term or period of three months. one of the three approximately equal terms into which the year is divided by some colleges, schools, etc.
Origin of trimester 1815–25; French trimestre Latin trimē(n)stris of three months, equivalent to tri-+ -mē(n)stris (see )Related formstri·mes·tral [trahy-mes-truh l] /traɪˈmɛs trəl/, tri·mes·tri·al, adjective Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 Examples from the Web for trimester Contemporary Examples of trimester
She was in her second trimester when she and her husband were given a grim prognosis.
November 20, 2014
Each of these studies found that exposure to starvation during the first trimester of pregnancy appeared to do the most harm.
May 11, 2014
In France, for example, abortion is available in the first trimester but heavily restricted after.
April 30, 2014
Bear in mind that the Mississippi legislature is only in session for 90 days each year—or basically one trimester.
April 2, 2014
Then, at the end of the first trimester, John drops a bombshell: there is not one love-child, but two.
December 12, 2013
British Dictionary definitions for trimester trimester noun a period of three months (in some US and Canadian universities or schools) any of the three academic sessions Derived Formstrimestral or trimestrial, adjectiveWord Origin for trimester C19: from French trimestre, from Latin trimēstris of three months, from tri- + mēnsis month Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Word Origin and History for trimester n.
1821, “period of three months,” from French trimestre (early 17c.), from Latin trimestris “of three months,” from tri- “three” (see) + mensis “month” (see (n.)). Specific obstetrics sense is attested from 1916.
Online Etymology Dictionary, © 2010 Douglas Harper trimester in Medicine trimester [trī-mĕs′tər, trī′mĕs′-] n. A period of three months. The American Heritage® Stedman’s Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.