Definition of naphthene in English:

Share this entry


Pronunciation: /ˈnafTHēn/ Pronunciation: /ˈnapTHēn/


Any of a group of cyclic aliphatic hydrocarbons (e.g., cyclohexane) obtained from petroleum.
Example sentences
  • Most horticultural oils contain naphthene and paraffin compounds.
  • Since ethylenediamine is very polar, naphthenes are preferentially permeated to the solvent side.
  • Oils high in naphthene also contain more impurities such as phytotoxic aromatic and unsaturated hydrocarbons.



Pronunciation: /napˈTHenik/ Pronunciation: /napˈTHēnik/ Pronunciation: /nafˈTHenik/ Pronunciation: /nafˈTHēnik/
Example sentences
  • These are complex mixtures of paraffinic, aromatics and naphthenic hydrocarbon type molecules, ranging in carbon number from 14 to 40 +.
  • The results given in Figure 3 show that the oil separation is lower for the naphthenic based grease.
  • The different factors responsible for naphthenic corrosion as well as the ways of fighting it are reviewed.

For editors and proofreaders

Syllabification: naph·thene

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.