‖ psoriasis
(ps-, sɒˈraɪəsɪs)
[mod.L., a. Gr. ψωρίᾱσις, f. ψωριᾶν to have the itch, f. ψώρα itch. The etymological pronunciation is (ˌpsɔərɪˈeɪsɪs), but that given is in ordinary use.]
A disease of the skin characterized by the appearance of dry reddish patches covered with glistening imbricated scales.
| 1684 tr. Blancard's Phys. Dict. (1693), Psoriasis, a dry itching Scab. 1818–20 E. Thompson Cullen's Nosol. Method. (ed. 3) 324 Psoriasis is not contagious. 1878 T. Bryant Pract. Surg. I. 81 The psoriasis commonly appears on the palms of the hands and the soles of the feet. |
| attrib. and Comb. 1879 St. George's Hosp. Rep. IX. 748 A profuse eruption, of a psoriasis character. 1898 J. Hutchinson Archives of Surgery IX. No. 36. 365 Covered with psoriasis⁓lupoid eruption of a very severe character. 1899 Allbutt's Syst. Med. VIII. 559 A psoriasis patient. |
Hence
psoriatic (
psɔərɪˈætɪk)
a., of the nature of or affected with psoriasis;
n. one who suffers from psoriasis;
psoriˈatiform a. = psoriasiform.
| 1883–4 Med. Ann. 50/2 Applied to the psoriatic patches. 1899 Allbutt's Syst. Med. VIII. 534 Ichthyosis..is sometimes found in psoriatic families. Ibid. 558 There are psoriatiform, gyrate, and popular forms of seborrhœa. Ibid. 571 The view which would convert our psoriatics..into a class of neurotics and cripples. |