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trimester

DEFINITIONS OF: trimester

1

n a period of three months; especially one of the three three-month periods into which human pregnancy is divided

Types:
first trimester
time period extending from the first day of the last menstrual period through 12 weeks of gestation
second trimester
time period extending from the 13th to the 27th week of gestation
third trimester
time period extending from the 28th week of gestation until delivery
Type of:
period, period of time, time period
an amount of time

n one of three divisions of an academic year

Type of:
academic session, academic term, school term, session
the time during which a school holds classes
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