trimester

trimester definition - medical

tri·mes·ter (trī-mĕsˈtər, trīˈmĕsˌ-)

noun
A period of three months.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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