“slackstone”的英英意思

单词	slackstone
释义	† slackstone Obs. rare. [ad. G. schlackstein (see quot. in Grimm).] A form of slag. 1683Pettus Fleta Minor i. xiv. 41 How a Slackstone or Copper-stone is to be made.Ibid., Slackstones (as the Philosophers do judg) are Sulphur and Arsnick mingled with a subtil Earth.

　

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