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base in American English. (beɪs ) noun. 1. the thing or part on which something rests; lowest part or bottom; foundation. 2. the fundamental or main part, as of a plan, organization, system, theory, etc. 3. the principal or essential ingredient, or the one serving as a vehicle.
29 Sep 2022 · Key Takeaways: Base Definition. A base is a substance that reacts with an acid in an acid-base reaction. The mechanism through which a base works has been argued throughout history. Generally, a base either accepts a proton, releases a hydroxide anion when dissolved in water, or donates an electron. Examples of bases include hydroxides and soap.
The base of something is usually the foundation, starting point, or main ingredient of something. A soup base is the flavoring or broth you use to get your soup started.
BASE definition: 1. the bottom part of something, or the part something rests on: 2. the most important part of…. Learn more.
A base that can be dissolved in water is referred to as an alkali. When these substances chemically react with acids, they yield salts. Bases are known to turn red litmus blue. Acid Definition Chemistry. The terms acid and base have been defined in different ways, depending on the particular way of looking at the properties of acidity and basicity.
Base definition: the bottom support of anything; that on which a thing stands or rests. See examples of BASE used in a sentence.
