anthracene

From Ancient Greek ἄνθραξ (ánthrax, “coal”) +‎ -ene.

anthracene (countable and uncountable, plural anthracenes)

1. (organic chemistry) A tricyclic aromatic hydrocarbon (an acene containing three fused rings) obtained from coal tar; used in the manufacture of wood preservatives, insecticides and the dye alizarin; it is isomeric with phenanthrene.

• acene

• benzene (a 1-ring acene)
• naphthalene (a 2-ring acene)

• anthracite

•   anthracene on Wikipedia.Wikipedia