释义 |
▪ I. iridic, a.1 Chem.|aɪˈrɪdɪk| [f. irid-ium + -ic. Cf. F. iridique (Littré).] Containing iridium; applied to compounds in which iridium is quadrivalent, as IrCl4: cf. iridious.
1845Parnell Chem. Anal. 78 Iridic oxide. 1865–72Watts Dict. Chem. III. 319 Iridic solutions..are of a dark brown-red colour; iridious solutions (containing the sesquioxide or trichloride)..have an olive-green colour. Ibid. 322 The dioxide, or Iridic oxide, IrO2. ▪ II. iridic, a.2 Med.|aɪˈrɪdɪk| [f. as iridial a. + -ic.] Of or pertaining to the iris of the eye; = iridal a. 2.
1891M. Foster Textbk. Physiol. (ed. 5) IV. iii. 717 On the inside the curved circumferential portion of the cornea makes a blunt angle, ‘iridic angle’, with the outer edge of the more or less horizontal iris. 1907Ophthalmoscope V. 378 A true fistulous passage lined by iridic pigmented epithelium. 1964S. Duke-Elder Parsons' Dis. Eye (ed. 14) i. 6 The third portion of the muscle is composed of a few tenuous iridic fibres..finding insertion in the root of the iris. |