naphthene
[
naf
-theen,
nap
-]
/ˈnæf θin, ˈnæp-/
noun
,
Chemistry
1.
any of a group of hydrocarbon ring compounds of the general formula, C
n
H
2n
, derivatives of cyclopentane and cyclohexane, found in certain petroleums.
Origin
1840-50;
naphth-
+
-ene
Related forms
naphthenic
[naf-
thee
-nik, -
then
-ik, nap-]
/næfˈθi nɪk, -ˈθɛn ɪk, næp-/
(
Show IPA
),
adjective
Examples from the web for
naphthene
The time required for division was significantly increased in ace-
naphthene
-treated cells.
The fractional distillation of crude oils produces either paraffine or
naphthene
.
In sewer systems the presence of oils and immiscible liquids, such as
naphthene
and ether, may cause explosive conditions.
British Dictionary definitions for
naphthene
naphthene
/
ˈnæfθiːn;
ˈnæp-
/
noun
1.
any of a class of cycloalkanes, mainly derivatives of cyclopentane, found in petroleum
Word Origin
C20: from
naphtha
+
-ene
naphthene
in Science
naphthene
(nāf'thēn', nāp'-)
See
cycloalkane
.