| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Belgian silex | Mining | A very hard, tough, more or less cellular quartzite resembling French buhrstone and the most favored natural mill-lining material for most purposes. It is imported in rectangular blocks that are more or less shaped to fit the curve of a mill. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||