Pinacone
Pronunciation : Pin"a*cone
Part of Speech : n.
Etymology : [From Gr. (Chem.)
Definition : Defn: A white crystalline substance related to the glycols, and made from acetone; hence, by extension, any one of a series of substances of which pinacone proper is the type. [Written also pinakone.]
Source : Webster's Unabridged Dictionary, 1913