pentine

from The Collaborative International Dictionary of English v.0.48
Pentine \Pen"tine\, n. [See {Penta-}.] (Chem.)
   An unsaturated hydrocarbon, {C5H8}, of the acetylene series.
   Same as {Valerylene}.
   [1913 Webster]
from The Collaborative International Dictionary of English v.0.48
Valerylene \Val`er*yl*ene\, n. (Chem.)
   A liquid hydrocarbon, {C5H8}; -- called also {pentine}.
   [1913 Webster]
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