ethionine

noun
ethi·​o·​nine | \ e-ˈthī-ə-ˌnēn How to pronounce ethionine (audio) \

Definition of ethionine

: an amino acid C6H13NO2S that is the ethyl homologue of methionine and is biologically antagonistic to methionine

First Known Use of ethionine

1938, in the meaning defined above

Keep scrolling for more

Learn More About ethionine

Time Traveler for ethionine

Time Traveler

The first known use of ethionine was in 1938

See more words from the same year

Dictionary Entries Near ethionine

ethionic anhydride

ethionine

Ethiop

See More Nearby Entries 

Statistics for ethionine

Cite this Entry

“Ethionine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ethionine. Accessed 23 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

Keep scrolling for more

More Definitions for ethionine

ethionine

noun
ethi·​o·​nine | \ e-ˈthī-ə-ˌnēn How to pronounce ethionine (audio) \

Medical Definition of ethionine

: an amino acid C6H13NO2S that is the ethyl homologue of methionine and is biologically antagonistic to methionine

WORD OF THE DAY

Test Your Vocabulary

Difficult Spelling Words Quiz

  • alphabet pasta spelling help
  • Which is the correct spelling?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
 AlphaBear 2

Spell words. Make bears.

TAKE THE QUIZ
Love words? Need even more definitions?

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