• Webster's Revised Unabridged Dictionary
    • n Pentine (Chem) An unsaturated hydrocarbon, C5H8, of the acetylene series. Same as Valerylene.
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Century Dictionary and Cyclopedia
    • n pentine An oily, unsaturated hydrocarbon, C5H8, of the acetylene series. The true pentines contain the acetylene grouping —C ⋮ C—, but certain isomeric hydrocarbons contain two ethylene groupings, = CH—CH =. They are all made synthetically. Also called pentinene and pentylene.
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Webster's Revised Unabridged Dictionary
See Penta-


In literature:

And if we claimed a bein' sick, they'd give us a dose of castah oil and tu'pentine.
"Slave Narratives: A Folk History of Slavery in the United States" by Work Projects Administration
She had a'thing in fine order; it was a perfeck treat to sit doon; an' I noticed a braw noo pentin' o' the scone-baker hung abune the chumla.
"My Man Sandy" by J. B. Salmond
So, there he's been pentin' pictures.
"The Eye of Dread" by Payne Erskine
Weel, the upshot o' this was that, as I've said, she is pentin' her, an' a capital picter she's makin'.
"Betty Grier" by Joseph Waugh