'orthtoluidine' definitions:

Definition of 'orthtoluidine'

From: GCIDE
  • Toluidine \To*lu"i*dine\, n. (Chem.) Any one of three metameric amido derivatives of toluene analogous to aniline, and called respectively orthtoluidine, metatoluidine, and paratoluidine; especially, the commonest one, or paratoluidine, which is obtained as a white crystalline substance. [1913 Webster]
  • Note: It is used in the aniline dye industry, and constitutes the essential nucleus or radical of those dyes. [1913 Webster] Toluol