英文英文字典

英文英文字典

古腾堡计划中的在线英语-英语词典

Syenite的结果

Syenite (n.)

Orig., a rock composed of quartz, hornblende, and feldspar, anciently quarried at Syene, in Upper Egypt, and now called granite.

Syenite (n.)

A granular, crystalline, ingeous rock composed of orthoclase and hornblende, the latter often replaced or accompanied by pyroxene or mica. Syenite sometimes contains nephelite (elaeolite) or leucite, and is then called nephelite (elaeolite) syenite or leucite syenite.