0 the amount or level of an alkali (= a substance with the opposite effect or chemical behaviour to an acid) in a substance: --
The water is warm and has high alkalinity.
The alkalinity of soil is measured by its pH value.
The pH scale is used to measure the acidity or alkalinity of something.
Many families monitor the acidity or alkalinity of their gardens or lawns.
You can add baking soda to the water in your swimming pool to raise the alkalinity.
NYA ORD
European
May 10, 2021
DAGENS ORD
Shimmer
alkalinity