| 释义 |
tol·yl
\ˈtäˌlil, -lēl\ noun
(-s)
Etymology: International Scientific Vocabulary tol- + -yl
1. : any of three univalent radicals CH3C6H4− derived from toluene by removal of one hydrogen atom from a carbon atom in the benzene ring in a position ortho, meta, or para to the methyl group — called also cresyl; used in the system adopted by the International Union of Pure and Applied Chemistry
2. : benzyl — used with an initial Greek alpha
< α-tolyl > |