acidity
n. uncountablen. the amount of acid in a substance, like food or soil. It often describes a sharp or sour taste.
n. the level of acid present in a substance, typically measured by pH. Refers to the chemical property of being acidic or the sharp, sour quality of a flavour.
The high acidity in lemons makes them taste very sour.
Farmers often test the acidity of their soil to ensure it is suitable for growing specific crops like blueberries.
Winemakers carefully balance the acidity of the grapes with sugar content to ensure the final product has a crisp finish rather than a flat or overly sharp profile.
From French acidité, from Latin aciditātem, accusative singular of aciditās (“sourness, acidity”), from acidus (“sour, acid”). Equivalent to acid + -ity.
Uncountable when referring to the general property or measurement; occasionally countable in technical contexts referring to specific types of acid levels.