alkaline
- Having the properties of an alkali, or containing an alkali; having a pH greater than 7, which is the neutral point on the pH scale. adjectiveThe soil in this region is alkaline, which affects the types of plants that can grow here.Alkaline solutions are often used in cleaning products because they can effectively neutralize acids.
- Relating to or denoting a type of battery that uses an alkaline electrolyte, typically potassium hydroxide. adjectiveAlkaline batteries are commonly used in household devices like remote controls and flashlights.Compared to traditional zinc-carbon batteries, alkaline batteries have a longer shelf life and higher energy density.