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  1. Cations and Anions: Definitions, Examples, and Differences

    Mar 3, 2020 · The chemical formula of a compound is always written with the cation first, followed by the anion. For example, Na is the cation and Cl is the anion in NaCl (table salt).

  2. CATION Definition & Meaning - Merriam-Webster

    The meaning of CATION is the ion in an electrolyzed solution that migrates to the cathode; broadly : a positively charged ion.

  3. CATION | definition in the Cambridge English Dictionary

    CATION meaning: 1. in chemistry, an ion (= type of atom) that has a positive electric charge and therefore moves…. Learn more.

  4. Ion | Definition, Chemistry, Examples, & Facts | Britannica

    Dec 26, 2025 · Ion, any atom or group of atoms that bears one or more positive or negative electrical charges. Positively charged ions are called cations; negatively charged ions, anions. Ions migrate …

  5. CATION Definition & Meaning | Dictionary.com

    CATION definition: a positively charged ion that is attracted to the cathode in electrolysis. See examples of cation used in a sentence.

  6. 7.3: Cations - Chemistry LibreTexts

    This page describes cations, which are positively charged ions formed when elements lose electrons, particularly from groups 1 and 2 of the periodic table. They are named after their parent elements …

  7. cation noun - Definition, pictures, pronunciation and usage notes ...

    Definition of cation noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  8. Cation Definition and Examples - ThoughtCo

    May 5, 2019 · Cation definition, as used in chemistry, chemical engineering, and physics, along with examples.

  9. CATION definition and meaning | Collins English Dictionary

    Definition of 'cation' cation in British English (ˈkætaɪən ) noun a positively charged ion; an ion that is attracted to the cathode during electrolysis

  10. Cation - definition of cation by The Free Dictionary

    Define cation. cation synonyms, cation pronunciation, cation translation, English dictionary definition of cation. n. An ion or group of ions having a positive charge and characteristically moving toward the …