Acti-dione

noun

Ac·​ti-di·​one
ˌak-tə-ˈdī-ˌōn
medical
: a preparation of cycloheximide
formerly a U.S. registered trademark

Word History

Etymology

acti(nomycete) + di(ket)one

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of Acti-dione was in 1947

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Acti-dione

Cite this Entry

“Acti-dione.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Acti-dione. Accessed 3 Dec. 2022.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Words Named After People

  • name tags
  • Namesake of the leotard, Jules Léotard had what profession?
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ