naph·tha
noun/ˈnæfθə/, /ˈnæpθə/
/ˈnæfθə/, /ˈnæpθə/
[uncountable]- a type of oil that starts burning very easily, used as fuel or in making chemicals
石脑油（作燃料或用于制造化学品） Word Originlate Middle English napte, from Latin naphtha from Greek, of oriental origin; the Latin spelling was introduced in the late 16th cent.