ARGYRIA, ARGYRIAS IS

(Lat.), £. A‘r-jitr(gu°r)'i?-a3, -ji#r(guér)-i2-a(a3)'si?s. Gen., argyr’ice, -rias’eos (-sis). From apvpi£og0at, to be of a silvery color. Fr., argyrie, argyriase. 1. A discoloration of the skin, the mucous membranes, or certain internal organs, due to an accumulation of particles of silver in the corium. The surface varies in color from gray to dark-blue. Some authors make a distinction between these words and argyrosis, applying the former to the discoloration consequent ou the prolon; internal] administration of silver, and the latter to the effects of its local employment. [A, 301; Gi 2. An old term for a skin disease characterized by silvery spots, probably psoriasis. [L, 50.]