n. The univalent radical, analogous to phenyl, derived from picric acid
the GNU version of the Collaborative International Dictionary of English
n. The hypothetical radical of picric acid, analogous to phenyl.
The Century Dictionary and Cyclopedia
Pertaining to or derived from picric acid.
Word Usage
"Guinea pigs fed by mouth with, for example, picryl chloride, no longer develop a cutaneous hypersensitivity of the delayed type upon the application of that substance to the skin."