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phenyl n. 苯基 苯基 Phenyl \Phe"nyl\, n. [Gr. fai`nein 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. [1913 Webster] {Phenyl hydrate} (Chem.), phenol or carbolic acid. {Phenyl hydrazine} (Chem.), a nitrogenous base ({C6H5.NH.NH2}) produced artificially as a colorless oil which unites with acids, ketones, etc., to form easily crystallized compounds. It is used in organic chemistry, particulary to isolate compounds in pure form for analysis. [1913 Webster PJC]
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