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arch-gravity dam

noun
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Definition of arch-gravity dam

: an arch dam having also sufficient mass and breadth of base to provide gravity stability

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History and Etymology for arch-gravity dam

arch entry 1

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“Arch-gravity dam.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/arch-gravity%20dam. Accessed 7 Jul. 2020.

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