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. |