Alkaline Definition

Glass beakers indicating blue for weak alkaline level, green for strong alkali level, and red for weak acidity level
Glass beakers indicating blue for weak alkaline level, green for strong alkali level, and red for weak acidity level. Trish Gant / Getty Images

Alkaline Definition: Alkaline refers to an aqueous solution having a pH greater than 7 or having a [OH-] greater than 10-7.

Also Known As: basic

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Helmenstine, Anne Marie, Ph.D. "Alkaline Definition." ThoughtCo, Apr. 9, 2016, thoughtco.com/alkaline-definition-in-chemistry-606367. Helmenstine, Anne Marie, Ph.D. (2016, April 9). Alkaline Definition. Retrieved from https://www.thoughtco.com/alkaline-definition-in-chemistry-606367 Helmenstine, Anne Marie, Ph.D. "Alkaline Definition." ThoughtCo. https://www.thoughtco.com/alkaline-definition-in-chemistry-606367 (accessed May 24, 2018).