| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Hollow dam | Building & Civil Engineering | A modification of buttress dam in which the buttresses are grouped or joined together leaving hollow spaces in between, such as Dixence dam (Switzerland). Source: European Union. (references) | |
| Hollow dam | Mining | A dam built of reinforced concrete, mass concrete, or masonry in which the water pressure is resisted by a sloping slab or vault carried by buttresses. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||