ダム

だむ
noun
dam
1. dam
A barrier constructed to hold back water and create a reservoir.
山(やま)にダムを建設(けんせつ)する。
They build a dam in the mountains.
ダムの水(みず)が少(すく)なくなっている。
The water in the dam is decreasing.
大(おお)きなダムで発電(はつでん)している。
They generate electricity with a large dam.

From English "dam." Refers to a barrier built across a river to hold back water, creating a reservoir (貯水池(ちょすいち)).

COMMON EXPRESSIONS:

  • ダムを建設(けんせつ)する: to construct a dam
  • ダムの放流(ほうりゅう): water release from a dam
  • ダム湖(こ): reservoir, dam lake
  • 水力(すいりょく)ダム: hydroelectric dam
  • 多目的(たもくてき)ダム: multipurpose dam

IN JAPAN:
Dams serve multiple purposes: 水道(すいどう) (water supply), 治水(ちすい) (flood control), and 発電(はつでん) (power generation). Famous dams include 黒部(くろべ)ダム in 富山県(とやまけん). Dam tourism (ダム巡(めぐ)り) has become a popular hobby, with collectible "dam cards" (放流(ほうりゅう)カード) available at many sites.

general
Added 2026.1.13 9:40 · Revised 2026.4.4 10:54
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