Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun caustic_potash
1 sense of caustic potash
Sense 1
potash, caustic potash, potassium hydroxide -- (a potassium compound often used in agriculture and industry)
=> hydroxide, hydrated oxide -- (a compound of an oxide with water)
=> lye -- (a strong solution of sodium or potassium hydroxide)