| 单词 | porphyry |
| 释义 | porphyry n. (pl. -ies) 1. a hard rock quarried in ancient Egypt, composed of crystals of white or red feldspar in a red matrix. 2. Geol. an igneous rock with large crystals scattered in a matrix of much smaller crystals. Derivatives porphyritic adj. Etymology: ME ult. f. med.L porphyreum f. Gk porphurites f. porphura purple |
| 随便看 |
英语词典包含43808条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。