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. :  the levorotatory form of norgestrel used in birth control pills and contraceptive implants—see norplant




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

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

kittly-benders duvet pince-nez spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ