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 Words From

• nona·cidi·ty noun
• over·a·cidi·ty noun
• prea·cidi·ty noun
• super·a·cidi·ty noun

Word History and Origins

Origin of acidity¹

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

Example Sentences

Aleasha, 20, said it was a "big shock" when questions about "the acidity of volcanoes" came up in her science exam, rather than the health-based questions she had been preparing for.

From BBC

This prolonged exposure increases the acidity of the mouth, erodes the teeth and causes cavities.

From Los Angeles Times

For Ms Nkhana and her colleagues, the key to a good banana wine lies in the balance of sweetness and acidity.

From BBC

For people with an overactive bladder, the acidity might also aggravate the urinary system.

From Salon

This helps rinse the teeth and return your mouth's acidity back to normal.

From Salon