retene
/ˈrɛtiːn/Chemistry
noun
A crystalline aromatic hydrocarbon occurring in coal tar and as a product of the breakdown of conifer resins.
- Retene has a tricyclic molecule based on a phenanthrene ring system. Systematic name: 1-methyl-7-isopropylphenanthrene; C18H18..
Origin
Mid 19th century (in an earlier sense). From ret- + -ene.