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potassium-alum

po·tas·si·um-al·um
P p

Transcription

    • US Pronunciation
    • US IPA
    • [puh-tas-ee-uh m al-uh m]
    • /pəˈtæs i əm ˈæl əm/
    • US Pronunciation
    • US IPA
    • [puh-tas-ee-uh m al-uh m]
    • /pəˈtæs i əm ˈæl əm/

Definitions of potassium-alum word

  • noun potassium-alum Also called potash alum, potassium alum. a crystalline solid, aluminum potassium sulfate, K 2 SO 4 ⋅Al 2 (SO 4) 3 ⋅24H 2 O, used in medicine as an astringent and styptic, in dyeing and tanning, and in many technical processes. 1
  • noun potassium-alum one of a class of double sulfates analogous to the potassium alum, as aluminum ammonium sulfate, having the general formula R 2 SO 4 ⋅X 2 (SO 4) 3 ⋅24H 2 O, where R is a univalent alkali metal or ammonium, and X one of a number of trivalent metals. 1
  • noun potassium-alum (not in technical use) aluminum sulfate. 1
See all 3 definitions of potassium-alum

Information block about the term

Origin of potassium-alum

First appearance:

before 1275
One of the 13% oldest English words
1275-1325; Middle English < Anglo-French < Latin alūmen; replacing Old English alefne, ælifnæ < Old Welsh (compare MWelsh elyf) < Latin alūmini- (stem of alūmen)

Historical Comparancy

Parts of speech for Potassium-alum

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Potassium-alum

potassium-alum popularity

This term is known only to a narrow circle of people with rare knowledge. Only 1% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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