Defn: The process of treating silver ores by grinding in pans or tubs with the addition of mercury, and sometimes of chemicals such as blue vitriol and salt.

WASH-OFF
Wash"-off`, a. (Calico Printing)

Defn: Capable of being washed off; not permanent or durable; — said of colors not fixed by steaming or otherwise.

WASHOUT
Wash"out`, n.

Defn: The washing out or away of earth, etc., especially of a portion of the bed of a road or railroad by a fall of rain or a freshet; also, a place, especially in the bed of a road or railroad, where the earth has been washed away.

WASHPOT
Wash"pot`, n.

1. A pot or vessel in which anything is washed.

2. (Tin-Plate Manuf.)

Defn: A pot containing melted tin into which the plates are dipped to be coated.

WASH SALE
Wash sale. (Stock Exchange)