gravity dam

English

A gravity dam

Etymology

gravity +‎ dam From using the weight of the dam to withstand the force of water being impounded.

Noun

gravity dam (plural gravity dams)

1. An impoundment dam that is wider at the base than at the top, and which uses the massive weight of the dam's mass to withstand the force of water being stored behind the dam in its reservoir.

Hypernyms

• impoundment dam
• reservoir dam
• dam