Definitions

from The Century Dictionary.

  • noun A hydrocarbon (C18H12) found in coaltar.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) One of the higher aromatic hydrocarbons of coal tar, allied to naphthalene and anthracene. It is a white crystalline substance, C18H12, of strong blue fluorescence, but generally colored yellow by impurities.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry A polycyclic aromatic hydrocarbon, 1,2-benzphenanthrene, containing four fused benzene rings.

Etymologies

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Examples

  • Myricetin was a highly potent inhibitor of the mutagenic activity of bay-region diol-epoxides of benzo [a] pyrene, dibenzo [a, h] pyrene and dibenzo [a, i] pyrene, but higher concentrations of myricetin were needed to inhibit the mutagenicity of the chemically less reactive benzo [a] pyrene 4,5-oxide and bay region diol-epoxides of benz [a] anthracene, chrysene and benzo [c] phenanthrene.

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