noun
gravity dam
A dam that resists water pressure by its own weight. Technical term used in civil engineering.
この地域には大きな重力ダムが建設された。
A large gravity dam was constructed in this area.
An arch dam uses curved shape to transfer water pressure to abutments, unlike a gravity dam which relies on its own weight.
Compound of 重力 (gravity) and ダム (dam), a direct translation of the English term 'gravity dam'.