| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Haase system | Mining | A system of shaft sinking through loose ground or quicksand by piles in the form of iron tubes connected together by webs. Their downward movement is facilitated by water under pressure that is forced down the tubes to wash away the loose material from underneath their points. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
