diphenyl Chem.
(daɪˈfɛnɪl)
[f. di-2 + phenyl, F. phényle (f. ϕαίνειν to show, bring to light + ὕλη substance: see -yl.]
An aromatic hydrocarbon having the formula C6H C6H5, or twice that of the radical phenyl.
| 1873 Fownes' Chem. (ed. 11) 758. 1877 Watts ibid. (ed. 12) II. 562 Diphenyl crystallizes from alcohol in iridescent nacreous scales. |
b. attrib. and Comb., as diphenyl group, diphenyl ketone, diphenyl-methane, etc.
diˈphenylaˌmine, a crystalline substance having a pleasant odour and weakly basic properties, prepared by the dry distillation of rosaniline blue, and used in the preparation of various dye-stuffs; hence diphenylamine blue = spirit blue.
| 1863–72 Watts Dict. Chem. IV. 453 Diphenylamine heated with chloride of benzoyl yields diphenyl-benzamide. 1882 Athenæum 25 Mar. 384/3 This colour is the chloride of a base which the author has proved to be diphenyldiamido⁓triphenylcarbinol. 1884 Manch. Exam. 6 Oct. 4/5 The process of manufacture..of diphenylaminenaphtol, resorcine, or alizarine dyes. |