The Collaborative International Dictionary of English v.0.48:

Argyrol \Argyrol\ n.
   1. a compound of protein and silver used as a mild
      antiseptic; Argyrol is the trademark.

   Syn: mild silver protein.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Argyrol
    n 1: antiseptic consisting of a compound of protein and silver
         (trade name Argyrol) [syn: mild silver protein,
         Argyrol]