MPTP

noun

ˌem-(ˌ)pē-(ˌ)tē-ˈpē 

: a neurotoxin C₁₂H₁₅N that destroys dopamine-producing neurons of the substantia nigra and causes symptoms (as tremors and rigidity) similar to those of Parkinson's disease

Word History

Etymology

1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine