ethisterone

noun

ethis·ter·one i-ˈthis-tə-ˌrōn

: a synthetic orally effective female sex hormone C₂₁H₂₈O₂ administered in cases of progesterone deficiency

called also anhydrohydroxyprogesterone, pregneninolone

Cite this Entry

Style

“Ethisterone.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/ethisterone. Accessed 22 Mar. 2023.

Copy Citation

Word of the Day

obdurate

Listen to the pronunciation of obdurate

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A Good Old-Fashioned Quiz

How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY