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.
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