potash – מילון אנגלי-אנגלי
potash
n.
(Chemistry) potassium compound obtained from wood ashes (used in fertilizers, soaps, etc.)
Potash
Potash is any of various mined and manufactured
salts that contain
potassium in water-soluble form. The name derives from
pot ash, which refers to plant ashes soaked in water in a pot, the primary means of manufacturing the product before the industrial era. The word
potassium is derived from potash.
potash
Noun
1. a potassium compound often used in agriculture and industry
(synonym) caustic potash, potassium hydroxide
(hypernym) hydroxide, hydrated oxide
Potash
(n.)
The impure potassium carbonate obtained by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
(n.)
The hydroxide of potassium hydrate, a hard white brittle substance, KOH, having strong caustic and alkaline properties; -- hence called also caustic potash.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
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