The Collaborative International Dictionary
Phenyl hydrate
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.