nitrate

nitrate — noun

1. a chemical compound made up of nitrogen and oxygen atoms that is used especially

1.名詞B2
釋義

a chemical compound made up of nitrogen and oxygen atoms that is used especially to enrich soil for farming and to preserve certain foods.

例句

Last spring, farmers in Minh's village added nitrate to their rice fields before planting.

collocation: add nitrate to [crop] fields

The lab report showed that the nitrate levels in the river were dangerously high.

collocation: nitrate levels

同義詞
  • fertilizer

    a broader category; nitrate is one type of fertilizer, but fertilizer also includes phosphate, potash, and other substances.

  • saltpeter

    a specific historical name for potassium nitrate, used in gunpowder and food curing; less common in modern everyday language.

文法句型

adjective + nitrate

nitrate + noun

用法筆記

Nitrate is often used in the plural form (nitrates) when referring to different types or sources of the compound, but in general contexts it is treated as uncountable.

常見錯誤

❌You should nitrate the soil before planting.
✅You should add nitrate to the soil before planting.
💡Nitrate is a noun, not a verb; you add nitrate to something rather than 'nitrate' something.
❌The plant needs more nitrate in the air.
✅The plant needs more nitrogen in the air.
💡Nitrate is a specific compound of nitrogen and oxygen, not the same as the element nitrogen (N₂) found in the air.