In plural. An alkaline substance consisting largely of impure potassium carbonate and originally obtained by leaching the ashes of burnt plant…
| 单词 | θ71320 |
| 释义 | the world > matter > chemistry > chemical substances > bases > [noun] > named alkalis or bases > potash (2) potashes1504 In plural. An alkaline substance consisting largely of impure potassium carbonate and originally obtained by leaching the ashes of burnt plant… potash1668 singular. Originally: = sense 1a. In later use: purified potassium carbonate, esp. as obtained from potashes (sense 1a) and regarded as a simple… |
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