3.Chemistry a.Of or relating to a base. b.Containing a base, especially in excess of acid. c.Alkaline. 4.GeologyContaining little silica, as certain igneous rocks. n. 1.An essential, fundamental element or entity:the basics of math. ...
While Lémery may have used the word "base" first, its modern usage is generally attributed to French chemist Guillaume-François Rouelle. Rouelle defined a neutral salt as the product of the union of an acid with another substance that acted as a "base" for the salt. Examples of Rouell...
His opening remarks touched everybase. 6 chemistry a :any of various typically water-soluble and bitter tasting compounds that in solution have apHgreater than 7, are capable of reacting with anacidto form a salt, turnlitmusblue, and are molecules or ions able to take up aprotonfrom an aci...
In chemistry, a 'base' is defined as a molecule in an aqueous solution that can accept protons or donate electrons. What are examples of bases in everyday life? Some examples of bases we encounter in everyday life include baking soda (sodium bicarbonate), soaps, bleach (sodium hypochlorite)...
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Chemistry. a compound that reacts with an acid to form a salt, as ammonia, calcium hydroxide, or certain nitrogen-containing organic compounds. the hydroxide of a metal or of an electropositive element or group. a group or molecule that takes up or accepts protons. ...
6. the main ingredient of a mixture: to use rice as a base in cookery. 7. (Chemistry) a chemical compound that combines with an acid to form a salt and water. A solution of a base in water turns litmus paper blue, produces hydroxyl ions, and has a pH greater than 7. Bases are...
Chemistry DictionaryDefinition of pH What is pH? The pH scale is alternatively sometimes called the pH-acid-base scale and sometimes just the acid-base scale. In neutral solutions, i.e. those that are neither acidic nor basic, pH = 7.0. Acidic solutions are those with pH less than 7,...
Strong Base Definition and Examples Chemistry Glossary Definition of Strong Base A strong base is abasethat is completely dissociated in anaqueous solution. These compounds ionize in water to yield one or more hydroxide ion (OH-) per molecule of base....
Britannica English:Translation ofbasefor Arabic Speakers Britannica.com:Encyclopedia article aboutbase Last Updated: 8 Jan 2025 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!