cerargyrite: Meaning and Definition of

ce•rar•gy•rite

Pronunciation: (su-rär'ju-rīt"), [key]
— n.
  1. a very soft mineral, silver chloride, AgCl, used as an ore of silver; horn silver.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.