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en.wikipedia.org/wiki/Base_(chemistry)

In chemistry, bases are substances that, in aqueous solution, are slippery to the touch, taste astringent, change the color of indicators react with acids to form ...

www.thoughtco.com/definition-of-base-604382

Apr 21, 2017 ... Base definition, as used in chemistry, chemical engineering, and physics.

study.com/academy/lesson/base-in-chemistry-definition-example-quiz.html

After this lesson, you will be able to define and describe bases, and explain how they differ from acids. You will learn about real-life examples...

www.businessdictionary.com/definition/base.html

Definition of base: Chemistry: Metal oxide or other compound that reacts with an acid to neutralize it and produces water and a salt. Bases increase the ...

www.dictionary.com/browse/base

Base definition, the bottom support of anything; that on which a thing stands or rests: a metal base for the table. See more.

www.britannica.com/science/base-chemical-compound

base: In chemistry, any substance that in water solution is slippery to the touch, tastes bitter, changes the colour of indicators (e.g., turns red litmus paper blue), ...

www.merriam-webster.com/dictionary/base

Define base: the lower part of a wall, pier, or column considered as a separate architectural feature — base in a sentence.

www.factmonster.com/cig/chemistry/what-are-acids-and-bases

www.gcsescience.com/aa20.htm

but does not dissolve in water, is called a base. For example, copper(II) oxide, iron(II) oxide and zinc carbonate are bases, they do not dissolve in water