Washing soda

Washing Wash"ing, n. 1. The act of one who washes; the act of cleansing with water; ablution. [1913 Webster]

2. The clothes washed, esp. at one time; a wash. [1913 Webster]

3. (Mining) Gold dust procured by washing; also, a place where this is done; a washery. [Webster 1913 Suppl.]

4. A thin covering or coat; as, a washing of silver. [Webster 1913 Suppl.]

5. (Stock Exchanges) The operation of simultaneously buying and selling the same stock for the purpose of manipulating the market. The transaction is fictitious, and is prohibited by stock-exchange rules. [Webster 1913 Suppl.]

6. (Pottery) The covering of a piece with an infusible powder, which prevents it from sticking to its supports, while receiving the glaze. [Webster 1913 Suppl.]

{Washing bear} (Zo["o]l.), the raccoon.

{Washing bottle} (Chem.), a bottle fitted with glass tubes passing through the cork, so that on blowing into one of the tubes a stream of water issuing from the other may be directed upon anything to be washed or rinsed, as a precipitate upon a filter, etc.

{Washing fluid}, a liquid used as a cleanser, and consisting usually of alkaline salts resembling soaps in their action.

{Washing machine}, a machine for washing; specifically, a machine for washing clothes.

{Washing soda}. (Chem.) See {Sodium carbonate}, under {Sodium}.

{Washing stuff}, any earthy deposit containing gold enough to pay for washing it; -- so called among gold miners. [1913 Webster]