'Dinaphthyl' definitions:
Definition of 'Dinaphthyl'
- Dinaphthyl \Di*naph"thyl\, n. [Pref. di- + naphthylene.] (Chem.)
A colorless, crystalline hydrocarbon, C20H14, obtained from
naphthylene, and consisting of a doubled naphthylene radical.
[1913 Webster]
