| 释义 |
purpuric, a.|pɜːˈpjʊərɪk|
[f. L. purpura purple + -ic: cf. F. purpurique.]
1. Chem. Applied to a hypothetical acid (C8H5N5O6), the salts of which are purple or red.
1818Prout in Phil. Trans. CVIII. 421, I shall..call this principle the purpuric acid, a name suggested by Dr. Wollaston, from its remarkable property of forming compounds with most bases of a red or purple colour. 1866Watts Dict. Chem. IV. 747 Purpuric acid has never been isolated, being decomposed when its salts are treated with a stronger acid.
2. Path. Of or pertaining to, or of the nature of purpura or purples; marked by a purple rash (as a disease). (malignant) purpuric fever, cerebrospinal meningitis.
1839–47Todd's Cycl. Anat. III. 56/2 The kidneys were found..with some purpuric..spots on their surface. 1853Kane Grinnell Exp. xxxiv. (1856) 311 Purpuric extravasations appeared on his legs. 1880M. Mackenzie Dis. Throat & Nose I. 191 One patient labouring under a severe purpuric Small-pox. 1898Allbutt's Syst. Med. V. 577. |