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trimester

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(trī mes′tər, trī′mes′-)

noun

a period or term of three months; specif., any of the three three-month periods of a human pregnancy
in some colleges and universities, any of the three periods into which the academic year is divided

Origin: Fr trimestre < L trimestris, of three months < tri-, three + mensis, month: see moon

See trimester in American Heritage Dictionary 4

noun

A period or term of three months.
One of three terms into which an academic year is divided in some universities and colleges.

Origin:

Origin: French trimestre

Origin: , from Latin trimēstris, trimēnstris, of three months

Origin: : tri-, tri-

Origin: + mēnsis, month; see mē-² in Indo-European roots

.

Related Forms:

tri·mesˈtral (-trəl), tri·mesˈtri·al (-trē-əl) adjective

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