wastewater

wastewater — noun

1. water that people have used in homes, offices, factories, or farms and now conta

1.名詞B2
釋義

water that people have used in homes, offices, factories, or farms and now contains dirt, chemicals, or other harmful substances that must be cleaned out before it goes back into rivers or the ground.

例句

The new treatment plant can clean up to 50 million litres of wastewater every day.

quantity collocation: millions of litres of wastewater

Rania's science project showed how wastewater from local factories was harming the river.

同義詞
  • sewage

    more specific term, refers to waste water from toilets and household drains; wastewater is the broader term

  • effluent

    more formal or technical, often used for liquid waste discharged from industrial processes after treatment

反義詞
  • freshwater

    natural, unpolluted water found in rivers, lakes, and streams

用法筆記

Wastewater is an uncountable noun — it has no plural form. Use phrases like 'a large volume of wastewater' or 'types of wastewater' to talk about amounts or categories.

常見錯誤

❌The factory produces many wastewaters.
✅The factory produces a large volume of wastewater.
💡Wastewater is uncountable and cannot be pluralised.