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antigestational drug

American  
[an-tee-jes-tay-shuh-nl, an-tahy-] / ˌæn ti dʒɛsˈteɪ ʃə nl, ˌæn taɪ- /

noun

  1. a drug that averts a pregnancy by preventing the fertilized egg from becoming implanted in the uterine wall.

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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