noun
acidity
uh-SIHD-ih-tee
noun
1
The quality or level of being acidic; sourness.
"The winemaker checked the acidity of the grapes before harvest."
"Too much stomach acidity can cause heartburn."
How to Use Acidity
Learner’s notesIn plain EnglishHow sour or acidic something is, often measured on the pH scale.
Common pairings
stomach acidity
soil acidity
high acidity
Word Forms
acidities plural
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The winemaker checked the _____ of the grapes before harvest.
Etymology
From French acidité, from Latin aciditas, "sourness."