cherts

1. 1.

   Massive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral.

   块状、通常颜色暗淡且不透明的石英岩、角岩、不纯玉髓等燧石状矿物。

2. 2.

   A flint-like tool made from chert.

   燧石制成的燧石状工具。

燧石制成的燧石状工具。；燧石；[化] 燧石

Connections

Learner notes