淡たん水すい

た

ん

す

い

Common wordJLPTN2Freq.FrequencyTop 50,000

Meanings

1

noun, noun which may take the genitive case particle 'no'

fresh water

Refers to water that is not salty, such as river, lake, or rain water. Often contrasted with 海水 (seawater) or 鹹水 (salt water).

〈生せい物ぶつ〉が淡たん水すいにすむfor a creature to live in fresh water
この魚さかなは淡たん水すいにすむ種しゅ類るいだ。
This fish is a species that lives in fresh water.
淡たん水すいを確かく保ほするto secure a supply of fresh water
乾かん燥そう地ち帯たいでは淡たん水すいを確かく保ほするのが難むずかしい。
In arid regions, it's difficult to secure a supply of fresh water.

海かい水すい
Seawater; the direct opposite of 淡水.
鹹かん水すい
Salt water; a more technical or formal term, often used in scientific contexts.

海かい水すいN1
淡水 is fresh water without salt, while 海水 is seawater, the salty water of oceans.
鹹かん水すい
淡水 refers to non-salty water like rivers and lakes, whereas 鹹水 is the more technical or scientific term for salt water.
塩しお水みず
淡水 is the more formal/scientific term for fresh water, contrasting with 塩水 in the same way 真水 does but used in technical contexts.

Composed of 淡 (light, pale, here meaning 'not salty') and 水 (water). The reading is on'yomi.

水すい

産さん

freshwater; limnetic

freshwater algae

freshwater diving