phenyl Meaning, Definition & Usage

Phe"nyl noun
Etymology
Gr. to bring to light + -yl: cf. F. phényle. So called because it is a by-product of illuminating gas.
Definitions
  1. (Chem.) A hydrocarbon radical (C6H5) regarded as the essential residue of benzene, and the basis of an immense number of aromatic derivatives.

Webster 1913