acidity

/əˈsɪdəti/ (bre, ipa) · /əˈsɪdəti/ (ame, ipa) · /ə-ˈsi-də-tē a-/ (ame, mw)

acidity — noun

1. how much acid is present in a liquid, food, soil, or your stomach.

1.名詞B2
釋義

how much acid is present in a liquid, food, soil, or your stomach.

例句

The lab report showed high acidity in the river after the leak.

collocation: high acidity

Greta added milk to the soup to reduce its acidity.

同義詞
  • acid level

    a plain descriptive phrase often used in science or health contexts

  • acid content

    more technical, often used for food, drink, or chemical samples

用法筆記

Often used with words like high, low, reduce, and measure. In health contexts it usually refers to excess acid in the stomach, not to flavour.

常見錯誤

❌The doctor said I have too much acidity stomach.
✅The doctor said I have too much stomach acidity.
💡'stomach acidity' is the usual noun phrase for this health meaning.

2. the sharp, tangy taste that food or drink has when acid is part of it.

2.名詞C1
釋義

the sharp, tangy taste that food or drink has when acid is part of it.

例句

The sauce had enough acidity to balance the rich meat.

pattern: balance rich food

Elise liked the acidity of green apples in the summer salad.

同義詞
  • sourness

    broader and often less positive; it does not suggest balance or freshness as strongly

  • tartness

    often a pleasant, fresh sharpness in fruit, desserts, or drinks

用法筆記

Usually used for food, fruit, coffee, or wine. Distinguish this from sense 1: here acidity describes flavour, while sense 1 describes how much acid something contains.

常見錯誤

❌This tea has a lot of acid.
✅This tea has a lot of acidity.
💡when you are describing flavour, 'acidity' names the sour quality, not the substance itself.