Pentamethylene

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Pentamethylene \Pen`ta*meth"yl*ene\, n. [Penta- + methylene.]
     (Chem.)
     A hypothetical hydrocarbon, {C5H10}, metameric with the
     amylenes, and the nucleus of a large number of derivatives;
     -- so named because regarded as composed of five methylene
     residues. Cf. {Trimethylene}, and {Tetramethylene}.


     [1913 Webster]