alkalinity scale

noun
UK /ˌæl.kəˈlɪn.ə.ti skeɪl/
US /ˌæl.kəˈlɪn.ə.ti skeɪl/

A scale is a set of numbers used to show how alkaline something is.

The scientist used the alkalinity scale to check the water in the lake.


OTHER MEANINGS

2. A chart or range of values used to compare the alkaline strength of different substances.

On the alkalinity scale, soap is more alkaline than milk.

3. A numbered system in chemistry for ranking solutions from less to more basic.

Students plotted each sample on the alkalinity scale during the lab.

4. A reference tool used in water testing to describe how well water resists becoming acidic.

Pool testers read the alkalinity scale before adding chemicals.