Dictionary.com

norethynodrel

[ nawr-uh-thahy-nuh-druhl, naw-reth-uh-nuh-drel ]
/ ˌnɔr əˈθaɪ nə drəl, nɔˈrɛθ ə nəˌdrɛl /
Save This Word!

noun Pharmacology.
a progestin, C20H26O2, used in combination with an estrogen in some oral contraceptives.
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of norethynodrel

1955–60; nor- + ethyn(yl), components of 2 versions of its chemical name + -odrel, of uncertain derivation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
FEEDBACK