alkaline
/ˈælkəlaɪn/
noun
- A substance that has a pH greater than 7; a base.
- Adding an alkaline to the acid neutralized the mixture.
- Some natural alkalis are found in certain minerals and plants.
- The lab stored alkalis like sodium hydroxide in special containers.
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adjective
- Having a pH greater than 7; basic, as opposed to acidic. Often used to describe substances like soap, baking soda, or certain batteries.
- She used an alkaline cleaner to remove the grease from the stove.
- The water in this region is naturally alkaline, so it tastes a bit different.
- Alkaline batteries last longer than regular ones in many devices.
- Relating to a group of chemical elements called alkali metals (such as lithium, sodium, potassium).
- Sodium is an alkaline metal that reacts strongly with water.
- Alkaline earth metals include calcium and magnesium.
- The periodic table lists alkaline metals in the first column.
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