noun Chemistry.
- a colorless, liquid hydrocarbon, C9H8, obtained from coal tar by fractional distillation: used in synthesizing resins.
noun
- a colourless liquid hydrocarbon extracted from petroleum and coal tar and used in making synthetic resins. Formula: C 9 H 8
- A colorless organic liquid obtained from coal tar and used in preparing synthetic resins. Chemical formula: C9H8.