Definitions

1. noun

A type of saturated hydrocarbon found in crude oil and petroleum products, characterized by a ring or ring system of carbon atoms.

“The chemical composition of the fuel included a mixture of paraffins, naphthenes, and aromatics.”

2. noun

In organic chemistry, a hydrocarbon that contains one or more rings of carbon atoms.

“The molecule was identified as a naphthene with a specific number of carbon atoms in its ring structure.”