arsphenamine

noun

ars·​phen·​a·​mine ärs-ˈfe-nə-ˌmēn 

-mən

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

Word History

Etymology

ars(enic) entry 1 + phen- + amine

First Known Use

1917, in the meaning defined above

Medical Definition

arsphenamine

noun

ars·​phen·​a·​mine ärs-ˈfen-ə-ˌmēn  -mən 

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

called also salvarsan, six-o-six