We found one dictionary that defines the word polynuclear hydrocarbon:

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1. polynuclear hydrocarbon: Encyclopedia

Phrases: polynuclear aromatic hydrocarbon, more... ▸ Words similar to polynuclear hydrocarbon ▸ Usage examples for polynuclear hydrocarbon ▸ Idioms related to polynuclear hydrocarbon ▸ Wikipedia articles (New!) ▸ Words that often appear near polynuclear hydrocarbon ▸ Rhymes of polynuclear hydrocarbon ▸ Invented words related to polynuclear hydrocarbon