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  1. Base | Definition, Examples, & Facts | Britannica

    Dec 12, 2025 · Bases are chemical compounds that, in solution, are soapy to the touch and turn red vegetable dyes blue. When mixed, acids and bases neutralize one another and produce …

  2. Base (chemistry) - Wikipedia

    In chemistry, there are three definitions in common use of the word " base ": Arrhenius bases, Brønsted bases, and Lewis bases. All definitions agree that bases are substances that react …

  3. What are Bases? - Definition, Examples, Types, Properties and Uses

    Jul 23, 2025 · Base is a chemical compound that consists of OH- ions and accepts protons. Base in Chemistry are those compounds that turn red litmus blue and when reacted with acid they …

  4. BASE Definition & Meaning | Dictionary.com

    A base is the opposite of an acid and has a pH of 7 to 14. A given amount of a base added to the same amount of an acid neutralizes the acid; water and a salt are produced.

  5. BASE Definition & Meaning - Merriam-Webster

    base, low, vile mean deserving of contempt because of the absence of higher values. base stresses the ignoble and may suggest cruelty, treachery, greed, or grossness. low may …

  6. What Is a Base in Chemistry? Definition and Properties

    Aug 18, 2025 · A chemical base is a substance that plays a distinct role in chemical reactions, particularly in how it interacts with other compounds. Fundamentally, a base can accept …

  7. Bases in Chemistry: Definition, Properties, and Examples

    A base in chemistry is a substance that either accepts hydrogen ions (protons) or donates electron pairs during a chemical reaction. This concept is described using the Arrhenius, …

  8. Base Definition in Chemistry - ThoughtCo

    Sep 29, 2022 · In chemistry, a base is a chemical species that donates electrons, accepts protons, or releases hydroxide (OH-) ions in aqueous solution. Bases display certain …

  9. Base in Chemistry | Definition, Types & Examples - Study.com

    In chemistry, a base is defined as a molecule in an aqueous solution that can accept protons or donate electrons. They often taste bitter and are slippery to the touch. They are classified using...

  10. BASE - Definition & Translations | Collins English Dictionary

    Discover everything about the word "BASE" in English: meanings, translations, synonyms, pronunciations, examples, and grammar insights - all in one comprehensive guide.