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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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更新时间:2024/12/23 23:43:49