Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

levonorgestrel

play
noun le·vo·nor·ges·trel \ˌlē-və-nȯr-ˈjes-trəl\

Definition of levonorgestrel

  1. :  the levorotatory form of a synthetic progestin C21H28O2 used especially in oral contraceptives



Origin of levonorgestrel

lev- + norgestrel, a progestin


First Known Use: 1977


Medical Dictionary

levonorgestrel

play
noun le·vo·nor·ges·trel \ˌlē-və-nȯr-ˈjes-trəl\

Medical Definition of levonorgestrel

  1. :  a synthetic progestin C21H28O2 that is used especially in birth control pills and contraceptive implants and that is the levorotatory form of norgestrel—see mirena, plan b, seasonale, seasonique




Learn More about levonorgestrel


Seen and Heard

What made you want to look up levonorgestrel? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

the Celtic May Day festival

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

maudlin oily prompt angry
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ