Онлайн-словарь

 noun 
 Usage: often attributive 
 Etymology: New Latin, from potassa potash, from English potash
 Date: circa 1807
 a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals

 potassium bromide 
  noun 
 Date: 1869
 a crystalline salt KBr with a saline taste that is used especially as a sedative and in photography

 potassium carbonate 
  noun 
 Date: 1866
 a white salt K 2 CO 3 that forms a strongly alkaline solution and is used in making glass and soap

 potassium chlorate 
  noun 
 Date: 1869
 a crystalline salt KClO 3 that is used as an oxidizing agent in matches, fireworks, and explosives

 potassium chloride 
  noun 
 Date: 1869
 a crystalline salt KCl occurring as a mineral and in natural waters and used especially as a fertilizer

 potassium cyanide 
  noun 
 Date: 1869
 a very poisonous crystalline salt KCN used especially in gold and silver extraction from ore

 potassium dichromate 
  noun 
 Date: 1871
 a soluble salt K 2 Cr 2 O 7 forming large orange-red crystals used especially in dyeing, in photography, and as an oxidizing agent

 potassium hydroxide 
  noun 
 Date: 1869
 a white deliquescent solid KOH that dissolves in water with much heat to form a strongly alkaline and caustic liquid and is used chiefly in making soap and as a reagent

 potassium nitrate 
  noun 
 Date: 1869
 a crystalline salt KNO 3 that occurs as a product of nitrification in arable soils, is a strong oxidizer, and is used especially in making gunpowder, as a fertilizer, and in medicine

 potassium permanganate 
  noun 
 Date: 1869
 a dark purple salt KMnO 4 used as an oxidizer and disinfectant

 potassium sorbate 
  noun 
 Date: 1960
 a potassium salt C 6 H 7 KO 2 of sorbic acid used especially as a food preservative

 potassium sulfate 
  noun 
 Date: 1869
 a white crystalline compound K 2 SO 4 used especially as a fertilizer