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pentamethylene |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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}.
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