Dictionary.com
Thesaurus.com

diphenylaminechlorarsine

American  
[dahy-fen-l-uh-meen-klaw-rahr-seen, -kloh-, -am-uhn-, -feen-] / daɪˌfɛn l əˌmin klɔˈrɑr sin, -kloʊ-, -ˌæm ən-, -ˌfin- /
Also diphenylaminechloroarsine

noun

Chemistry.
  1. adamsite.


Etymology

Origin of diphenylaminechlorarsine

diphenylamine + chlor- 2 + arsine