alkalinity
noun [ U ] uk/ˌælkəˈlɪn.ə.ti/ us/ˌælkəˈlɪnət̬i/
碱度
the amount or level of an alkali (= a substance with the opposite effect or chemical behaviour to an acid) in a substance
The alkalinity of soil is measured by its pH value. 土壤的碱度是由其pH值来衡量的。
The water is warm and has high alkalinity. 水是温暖的并具有高碱度。
See: alkali
- More examples
- You can add baking soda to the water in your swimming pool to raise the alkalinity.
- Many families monitor the acidity or alkalinity of their gardens or lawns.
- The pH scale is used to measure the acidity or alkalinity of something.