| 释义 |
self-ˈopen north.
[self- 3 b. Cf. open n. 1 d.]
A miners' term for a natural cavity met with in digging.
1683–4Lister in Phil. Trans. XIV. 512 That the Earth is more or less hollow is made probable, by what is found every where in the Mountains; viz. Natural Cavities or Chambers, which the Miners of the North call Self-opens. [1748Earthquake Peru i. 118.] 1824J. Mander Derbysh. Miner's Gloss., Self-opens. Natural Fissures in the stone. |