buhrstone

音标: ['bә:stәun]
buhrstone是什么意思、buhrstone怎么读
n. 砂质岩\n【机】 磨石, 臼石

buhrstone汉语翻译

n. 砂质岩<br>【机】 磨石, 臼石

buhrstone详细解释

buhrstone 也作 burr.stone

n.(名词)
A tough, silicified limestone formerly used to make millstones. It is typified by the presence of multiple cavities that originally housed fossilized shells.
磨石,砂质多孔石灰岩:一种坚硬的,硅化石灰石,以前用来制作磨石。具有最初由化石化的贝壳而形成的多孔特征

来源:
Variant of burr
burr的变体
stone
stone