Bible Dictionaries
Pentamethylene
Webster's Dictionary
(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.
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Bibliography Information
Webster, Noah. Entry for 'Pentamethylene'. Noah Webster's American Dictionary. https://www.studylight.org/dictionaries/eng/web/p/pentamethylene.html. 1828.