Definition of "alkaline" []

• Of, relating to, or containing an alkali. (adjective)
• Having a pH greater than 7. (adjective)
• Having a relatively low concentration of hydrogen ions. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "One has to understand that when the term alkaline or acid is used it is the state of the ash of the metabolized food that is being measured."
• "For, if we first use perhydrol as oxidizing agent in alkaline solution and then acidify with nitric acid, sulphur is not precipitated and fully correct results are obtained."
• "Recipe for tortillas: – Soften corn in alkaline water, then grind it fine, pat into round cakes, and bake on a thin, iron pan."