any of a group of hydrocarbon ring compounds of the general formula, CnH2n, derivatives of cyclopentane and cyclohexane, found in certain petroleums.
Origin of naphthene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
any of a class of cycloalkanes, mainly derivatives of cyclopentane, found in petroleum
Word Origin for naphthene
C20: from naphtha + -ene
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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