potash

n [U] any of various salts of potassium (esp potassium carbonate) used to make fertilizers, soap and various chemicals 钾碱; （尤指）碳酸钾, 氢氧化钾.

postulate, postulation, posture, posturer, posy, pot, pot plant, pot-belly, pot-boiler, pot-bound, pot-herb, pot-hole, pot-holer, pot-holing, pot-hunter, pot-pourri, pot-roast, pot-shot (also pot), potable, potantially, potassium, potation, potato, potato beetle, potato crisp, potboiler, poteen, potency, potent, potentate, potential, potentiality, potentially, potentiate, potently, potholer, potholing, potion, potpourri, potsherd,