Origin of potassa
From New Latin, dating back to 1805–15; see origin at potass
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for potassa
Also very weak solutions of carbonate of soda or potassa may be used.Housekeeping in Old Virginia
Marion Cabell Tyree
Potassa is the oxide of potassium; and soda is the oxide of sodium.A Guide to the Scientific Knowledge of Things Familiar
Ebenezer Cobham Brewer
All kinds of vegetables do not yield the same proportion of potassa.
With sulphate of potassa it forms a double salt (manganese alum).
A mixture of gamboge, 10 gr., with carbonate of potassa, 20 gr.