(dated) Naturally occurring liquid petroleum. / Any of a wide variety of aliphatic or aromatic liquid hydrocarbon mixtures distilled from petroleum or coal tar, especially as used in solvents or petrol.

plural of naphtha

A white crystalline hydrocarbon manufactured from coal tar; used in mothballs. / (organic chemistry) An aromatic bicyclic hydrocarbon, C₁₀H₈; an acene containing two fused benzene rings.

(organic chemistry) Any of a range of compounds manufactured by treating naphthalene with chlorine; they have a variety of properties and uses.

tetracene

plural of polychlorinated naphthalene

Of, pertaining to, yielding, or derived from naphthalene

(organic chemistry) Any of several isomeric forms of an aromatic dicarboxylic acid derived from naphthalene; analogous to phthalic acid

(organic chemistry) Either of two isomeric aldehydes derived from naphthalene

plural of naphthalic acid