from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A white crystalline powder, C8H10AsN2NaO4, used in the treatment of trypanosomiasis.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An antiinfective drug.
A few cases of psychosis following encephalitis have been treated with tryparsamide and a few cases of dementia præcox have been treated by the production of an aseptic meningitis by the intraspinal injection of sterile horse serum.