Pronunciation: ˌ t ē -( ˌ ) ē -( ˌ )p ē - ' p ē
Function: noun
Etymology: t etra- + e thyl + p yro p hosphate
Date: 1948
: a hygroscopic corrosive liquid organophosphate C 8 H 20 O 7 P 2 that is a powerful anticholinesterase and is used especially as an insecticide