Picene

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Picene \Pi"cene\, n. [See {Piceous}.] (Chem.)
     A hydrocarbon (C?H?) extracted from the pitchy residue of
     coal tar and petroleum as a bluish fluorescent crystalline
     substance.
     [1913 Webster]