acidity

[uh-sid-i-tee]

noun

1. the quality or state of being acid.

2. sourness; tartness.

3. excessive acid quality, as of the gastric juice.

acidity

/ əˈsɪdɪtɪ /

noun

1. the quality or state of being acid

2. the amount of acid present in a solution, often expressed in terms of pH

3. another name for hyperacidity

Other Word Forms

• nonacidity noun
• overacidity noun
• preacidity noun
• superacidity noun

Word History and Origins

Origin of acidity¹

From the Late Latin word aciditās, dating back to 1610–20. See acid, -ity

Example Sentences

Authorities have since imposed a fishing ban on the Kafue River and deployed the air force and speedboats to drop lime to reduce acidity levels in the affected waterways.

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Indeed, the star of this ravioli is Sicilian lemon, which are “grown in the volcanic soil around Mount Etna,” according to TJ’s, and have a “bright acidity and distinct sweetness.”

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The acidity of the beer, combined with the added ingredients, creates a solution that can reveal the latent image on the film.

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But here’s where things get interesting: that lemon doesn’t have to be the only source of acidity.

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However, compared to shallower waters, which are more easily subjected to changes in things like temperature, acidity or oxygen levels, these environmental changes take longer to reach the deep sea.

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