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The Collaborative International Dictionary
Phenyl

Phenyl \Phe"nyl\, n. [Gr. ? to bring to light + -yl: cf. F. ph['e]nyle. So called because it is a by-product of illuminating gas.] (Chem.) A hydrocarbon radical ( C6H5) regarded as the essential residue of benzene, and the basis of an immense number of aromatic derivatives.

Phenyl hydrate (Chem.), phenol or carbolic acid.

Phenyl hydrazine (Chem.), a nitrogenous base ( C6H5.N2H3) produced artificially as a colorless oil which unites with acids, ketones, etc., to form well-crystallized compounds.

Douglas Harper's Etymology Dictionary
phenyl

radical base of phenol, 1850, from French phényle; see pheno-.

Wiktionary
phenyl

n. (context organic chemistry English) A univalent hydrocarbon radical (C6H5) formally derived from benzene by the removal of a hydrogen atom, and the basis of an immense number of aromatic derivatives.

WordNet
Wikipedia

Usage examples of "phenyl".

IV ports, administering additional doses of vitamins E and C, tirilazad mesylate, and phenyl tertiary butyl nitrone.

Then there was dipping: thousands upon thousands of bleating, leaping creatures were hounded and yanked through a maze of runs, in and out of the phenyl dips which rid them of ticks, pests and vermin.

The basic components of methamphetamine are phenyl acetone, a controlled substance that can be made in a simple four-step process with chemicals bought from supply companies, and N-methyl formamide.

Another that makes benzenes and phenyls, eats salt and poops toxic waste.

Another that makes benzenes and phenyls, eats salt and poops toxic waste.

IV ports, administering additional doses of vitamins E and C, tirilazad mesylate, and phenyl tertiary butyl nitrone.