English Dictionary

runoff

名詞

可算名詞 不可算名詞

That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area. / Dissolved chemicals, etc, included in such water.

日本語の意味

降雨や灌漑により生じた水分で、地中に浸透せず蒸発もしないため、地表を流れ出る水。また、その流出水に含まれる溶解した化学物質など。

Heavy runoff after the storm carried pesticides from the fields into the river.

嵐の後、土に浸透せず蒸発もしない大量の流出水が畑の農薬を川に運んだ。

意味（1）

That portion of precipitation or irrigation on an area which does not infiltrate or evaporate, but instead is discharged from the area.

The next series of high tides or large waves will tend to rebuild the berm and redam the stream. Ultimately, increased runoff due to fall or winter rains will raise the stream level to the point where it breaks through.

意味（2）

Dissolved chemicals, etc, included in such water.

The runoff of nitrates is poisoning the lake.

意味（3）

(sports) A second or further round of a competition, after other competitors (often all but the last two) have been eliminated.

意味（4）

(politics) A second or further round of an indecisive election, after other candidates (often all but the last two) have been eliminated.

There will now be a runoff as neither front runner received more than 50% of the vote.

runoffs （ plural ）