from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A polycyclic aromatic hydrocarbon, 1,2-benzphenanthrene, containing four fused benzene rings.
from the GNU version of the Collaborative International Dictionary of English
- n. 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 The Century Dictionary and Cyclopedia
- n. A hydrocarbon (C18H12) found in coaltar.
Sorry, no etymologies found.