VOLCANIC a.
hich have been produced from the discharges of volcanic matter, as the various kinds of basalt, trachyte, scoria, obsidian, etc., whether compact, scoriaceous, or vitreous.
WASHING n.
, 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 c…