pentaerythritol
noun
pen·ta·eryth·ri·tol
| \ ˌpent-ə-i-ˈrith-rə-ˌtȯl
, -ˌtōl
\
, -ˌtōl
\
Medical Definition of pentaerythritol
: a crystalline alcohol C5H12O4 that is used chiefly in making synthetic resins, synthetic drying oils, and explosives