arsphenamine

noun
ars·​phen·​a·​mine | \ärs-ˈfe-nə-ˌmēn, -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

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The first known use of arsphenamine was in 1917

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arsphenamine

noun
ars·​phen·​a·​mine | \ärs-ˈfen-ə-ˌmēn, -mən \

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

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