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alum

გამოთქმა: /ˈaləm/

არსებითი სახელი

Universal
  • a colourless astringent compound which is a hydrated double sulphate of aluminium and potassium, used in solution in dyeing and tanning.
    • Chemical formula: AlK(SO4)2.12H2O
  • [count noun] any of a number of analogous crystalline double sulphates of a monovalent metal (or group) and a trivalent metal: artificially grown crystals of one of the alums
  • Chemical formula: AlK(SO4)2.12H2O

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