ben·zo·[a]·py·rene
n : any of various volatile flammable petroleum distillates used esp. as solvents or as motor fuels , also 3,4-benz*py*rene , n : the yellow crystalline highly carcinogenic isomer of the benzopyrene mixture that is formed esp. in the burning of cigarettes, coal, and gasoline .
Similar sounding terms: ben·zene ben·zo·in
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