单词 | porphyraceous |
释义 | porphyraceous, a. ? Obs. rare.|pɔːfɪˈreɪʃəs| [f. porphyr- + -aceous.] Of the nature of or allied to porphyry; porphyritic.
1799Kirwan Geol. Ess. 207 Charpentier mentions a sort of stone which he calls porphyraceous, though he does not ascribe felspar to it. Hence1828in Webster; and in mod. Dicts. |

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