Studi Kata
pentamethylene
CIDE DICTIONARY
pentamethylene, n. [Penta- + methylene.].
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]
For further exploring for "pentamethylene" in Webster Dictionary Online
