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countable and uncountable, plural potashes
The water-soluble part of the ash formed by burning plant material; used for making soap and glass and as a fertilizer. examples
(chemistry) An impure form of potassium carbonate (K2CO3) mixed with other potassium salts. examples
(chemistry, archaic) Potassium. Chiefly used in the names of compounds of the form "... of potash".
A class of potassium minerals, of similar applicability to potassium carbonate, such as being a fertilizer. (ie. potassium chloride, potassium hydroxide) examples
third-person singular simple present potashes, present participle potashing, simple past and past participle potashed
To treat with potassium. quotations examples
In order to ascertain the difference between the rapidity of pickling when the tin frames had been potashed and pickling without such treatment, two batches were used.
1910, Platers' Guide: With which is Combined Brass World
Gold ornaments are sand blasted or steel brushed nicely, then potashed,
1915, Metal Finishing: Preparation, Electroplating, Coating
After removal from a worker bee they should be potashed in ten percent potassium hydroxide, washed, dehydrated, cleared, and mounted.
1953, Nature Magazine, page 223
For the extraction of the internal sclerites the aedeagus was potashed in cold saturated KOH solution for several hours and transferred to a vial of distilled water.
2003, Senckenbergiana biologica, page 136