picene definition

  • noun:
    • A polycyclic fragrant hydrocarbon composed of five fused benzene rings; an isomer of pentacene.
    • A hydrocarbon (C�H�) obtained from the pitchy residue of coal-tar and petroleum as a bluish fluorescent crystalline substance.
    • A crystalline unsaturated polycyclic hydrocarbon, , with blue fluorescence, that is found in the pitch-like deposits from distillation of lignite-tar and petroleum. Furthermore made synthetically.

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