Lexic.us

Definition of Pentamethylene

1. n. 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.

Medical Definition of Pentamethylene

1. 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. Origin: Penta- + methylene. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Pentamethylene

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