| 单词 |
roche petre |
| 释义 |
† roche petre Obs. In 7 rochpeter, rochpeeter, roch-peter. [f. roche n.1 + petre.] Native saltpetre, occurring as an efflorescence on rocks.
1634J. B[ate] Myst. Nature 54 The ingredients likewise are chiefly these, Saltpeter, Rochpeter, Sulpher. 1665Phil. Trans. I. 36 A fine white Salt, which..seemed to have Sides and Angles in the same number and figure as Rochpeeter. 1669Sturmy Mariner's Mag. v. xiii. 87 Roch-Peter.., Quick-Brimstone.., and fine Powder-dust. |

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