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mestranol

American  
[mes-truh-nawl, -nol] / ˈmɛs trəˌnɔl, -ˌnɒl /

noun

Pharmacology.

  1. an estrogen, C 2 1 H 2 6 O 2 , used in oral contraceptives in combination with a progestin.

mestranol British  
/ -ˌnəʊl, ˈmɛstrəˌnɒl /

noun

  1. a synthetic oestrogen used in combination with progestogens as an oral contraceptive. Formula: C 21 H 26 O 2

"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

Etymology

Origin of mestranol

1960–65; contraction and rearrangement of methoxy- and ethynylestradiol, components of the chemical name

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.