Dictionary.com

naphthene

[ naf-theen, nap- ]
/ ˈnæf θin, ˈnæp- /
Save This Word!

noun Chemistry.

any of a group of hydrocarbon ring compounds of the general formula, CnH2n, derivatives of cyclopentane and cyclohexane, found in certain petroleums.

QUIZZES

QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!

Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?

Origin of naphthene

First recorded in 1840–50; naphth- + -ene

OTHER WORDS FROM naphthene

naph·the·nic [naf-thee-nik, -then-ik, nap-], /næfˈθi nɪk, -ˈθɛn ɪk, næp-/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for naphthene

naphthene
/ (ˈnæfθiːn, ˈnæp-) /

noun

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

Scientific definitions for naphthene

naphthene
[ năfthēn′, năp- ]

See cycloalkane.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See Today's Synonym