See Also: naphthene(medicine)
naphthene(dictionary)

naphthene (iou)



naphthene noun. M19.
[from NAPHTHA + -ENE.]
Chemistry.
A supposed constituent of naphtha (now regarded as a mixture). Only in M19.
Any of a class of saturated cyclic hydrocarbons (including cyclopentane and cyclohexane) present in or obtained from petroleum. L19.