noun Chemistry.
- a colorless, crystalline solid, C13H9N, usually obtained from the anthracine fraction of coal tar: used chiefly in the synthesis of dyes and drugs.
noun
- a colourless crystalline solid used in the manufacture of dyes. Formula: C 13 H 9 N
n.
- A coal tar derivative that has an irritating odor and is used in the manufacture of dyes and synthetics.