Eupione \Eu"pi*one\, n. [Gr. ? very fat; e'y^ well + ? fat.]
(Chem.)
A limpid, oily liquid obtained by the destructive
distillation of various vegetable and animal substances; --
specifically, an oil consisting largely of the higher
hydrocarbons of the paraffin series. [Written also {eupion}.]
[1913 Webster]