| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Improved water wheel | Mechanical Engineering | A modification of the paddle wheel in which the lower parts of the paddles are placed in a close fitting box to reduce spilling of the water from the edges of the paddle, and making it possible to lift water to comparatively greater heights. The laborers sit on a wooden or bamboo scaffolding erected over the installed wheel whose paddles they push down with their foot. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
