potash

See also: Potash

English

Etymology

From Dutch potasch (modern spelling potas), coined in 1598. The literal translation is pot ash, because it was made by burning wood to ashes in a large pot. First attested in 1648.

Pronunciation

• (US) IPA^(key): /pɒt.æʃ/

Noun

potash (countable and uncountable, plural potashes)

1. the water-soluble part of the ash formed by burning plant material; used for making soap, glass and as a fertilizer
2. (chemistry) an impure form of potassium carbonate (K₂CO₃) mixed with other potassium salts
3. (chemistry, archaic) in the names of compounds of the form "... of potash", potassium (for example, "permanganate of potash" = potassium permanganate)

Derived terms

• acetate of potash
• carbonate of potash
• caustic potash
• chlorate of potash
• chromate of potash
• citrate of potash
• iridiate of potash
• manganate of potash
• nitrate of potash
• muriate of potash
• osmiate of potash
• oxygenated muriate of potash
• permanganate of potash
• plumbate of potash

• potash alum
• potashery
• potash-felspar
• potash-granite
• potash greensand
• potash kettle
• potash-lime
• potash-mica
• potash-water
• silicate of potash
• stannate of potash
• stannite of potash
• sulfate of potash, sulphate of potash
• sulfurated potash, sulphurated potash

Related terms

• potass
• potassa
• potassium

Translations

pot ash

• Czech: potaš f
• Dutch: potas (nl)
• Finnish: potaska (fi)
• French: potasse (fr) f
• German: Pottasche (de) f
• Italian: potassa (it) f
• Lao: please add this translation if you can

• Polish: potaż (pl) m
• Portuguese: potassa (pt) f
• Spanish: potasa f, lejía (es) f
• Swedish: pottaska (sv) c
• Tagalog: potasa
• Thai: โพแทช (poh tâet)

potassium carbonate etc

• Czech: potaš f
• Finnish: potaska (fi)
• French: potasse (fr) f

• German: Pottasche (de) f
• Italian: potassa (it) f
• Lao: please add this translation if you can
• Polish: potaż (pl) m

dated chemistry

• French: potasse (fr) f

• Italian: potassa (it) f

Verb

potash (third-person singular simple present potashes, present participle potashing, simple past and past participle potashed)

1. To treat with potassium.
   • 1910, Platers' Guide: With which is Combined Brass World:

     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.

   • 1915, Metal Finishing: Preparation, Electroplating, Coating:

     Gold ornaments are sand blasted or steel brushed nicely, then potashed,

   • 1953, Nature Magazine, page 223:

     After removal from a worker bee they should be potashed in ten percent potassium hydroxide, washed, dehydrated, cleared, and mounted.

   • 2003, Senckenbergiana biologica, page 136:

     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.

References

• Krueger, Dennis (December 1982). "Why On Earth Do They Call It Throwing?" Studio Potter Vol. 11, Number 1.[1]

Anagrams

• Pashto, pathos, sophta