orthoquartzite

正石英岩

发音

UK /ˌɔːθəʊˈkwɔːtˌsaɪt/
US /ˌɔɹθoʊˈkwɔɹtˌsaɪt/

词形变化

orthoquartzites 复数 orthoquartzites

释义与例句

n.
  1. 1.

    A very pure quartz sandstone composed of usually well rounded quartz grains cemented by silica.

    可数 不可数

词源

From ortho- + quartzite.

来源：wiktionary