| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Helical conveyor | Mining | A conveyor for handling coal, grain, cement, or similar bulk materials. It comprises a horizontal shaft, with helical paddles or ribbons, which turn on its center line inside a stationary tube filled with the material. See also: worm conveyor. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
