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Acids and Bases - Lewis Definition Of Acids And Bases. The BrÃ¸nsted-Lowry acid-base definition, while broader than the Arrhenius definition, is still limited to hydrogen-containing compounds, and is dependent on a hydrogen ion (that is, a proton) transferring from one molecule to another.
Base Definition: A base is a chemical species that donates electrons or hydroxide ions or that accepts protons. Types of Bases: Arrhenius base, Bronsted-Lowry base, Lewis base. Return to the Chemistry Glossary Index. 1  Article. 2  Article. 3  Article. 4  List. 5  Article. 6  Article. 7  Article. 8  Article.