elaeoptene

from The Collaborative International Dictionary of English v.0.48
Elaeoptene \E`l[ae]*op"tene\, n. [Gr. ? olive oil, oil + ?
   winged, fleeting.] (Chem.)
   The more liquid or volatile portion of certain oily
   substance, as distinguished from stearoptene, the more solid
   parts. [Written also {elaoptene}.]
   [1913 Webster]
    

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