arsphenamine

noun
ars·​phen·​a·​mine | \ ärs-ˈfe-nə-ˌmēn How to pronounce arsphenamine (audio) , -mən \

Definition of arsphenamine

: a light-yellow toxic hygroscopic powder C12Cl2H14As2N2O2·2H2O formerly used in the treatment especially of syphilis and yaws

First Known Use of arsphenamine

1917, in the meaning defined above

History and Etymology for arsphenamine

International Scientific Vocabulary arsenic + phenamine

Keep scrolling for more

Learn More about arsphenamine

Time Traveler for arsphenamine

Time Traveler

The first known use of arsphenamine was in 1917

See more words from the same year

Statistics for arsphenamine

Cite this Entry

“Arsphenamine.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/arsphenamine. Accessed 16 December 2019.

Keep scrolling for more

More Definitions for arsphenamine

arsphenamine

noun
ars·​phen·​a·​mine | \ ärs-ˈfen-ə-ˌmēn How to pronounce arsphenamine (audio) , -mən How to pronounce arsphenamine (audio) \

Medical Definition of arsphenamine

: a light-yellow toxic hygroscopic powder C12Cl2H14As2N2O2·2H2O formerly used in the treatment especially of syphilis and yaws

called also salvarsan, six-o-six

More from Merriam-Webster on arsphenamine

Britannica.com: Encyclopedia article about arsphenamine

Comments on arsphenamine

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

WORD OF THE DAY

having a smooth flowing sound

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Citation

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

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!