from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of three isomeric compounds, C7H9N, used to make dyes.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of the three isomeric aromatic amines derived from toluene; they are used in the synthesis of certain dyes
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. A name of three compounds, CH3C6H4NH2, formed by the reduction of the corresponding nitrotoluenes.
tolu(ene) + -id(e) + -ine2.(American Heritage® Dictionary of the English Language, Fourth Edition)