She is alkalinising the water to make it less acidic.

I need to buy some alkaline batteries for my remote control.

The alkaline earths are a group of chemical elements in the periodic table.

Alkaline phosphatases are enzymes that remove phosphate groups from molecules.

The alkaline phosphatase level in his blood was elevated.

The alkalines in the battery need to be replaced.

The substance is alkalifiable, meaning it can be converted into an alkaline state.

The solution was tested using an alkalimetrical method.

The soil in this region is alkaliferous, making it suitable for growing certain types of plants.

The solution was alkalimetrically titrated to determine its pH level.