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  1. Oxidation | Definition, Examples, Process, & Products | Britannica

    Dec 19, 2025 · Oxidation is a chemical process where an atom, ion, or molecule loses electrons as it interacts with another chemical species, altering its composition and energy state.

  2. What Is Oxidation? Definition and Example - ThoughtCo

    Jun 7, 2024 · Oxidation is the loss of electrons during a reaction by a molecule, atom or ion. Oxidation occurs when the oxidation state of a molecule, atom, or ion is increased.

  3. What Is Oxidation? Definition and Examples

    Aug 1, 2020 · Oxidation is the loss of electrons or increase in oxidation state of a chemical species in a chemical reaction. Oxidation and reduction are two types of chemical reactions that go hand-in-hand …

  4. Definitions of Oxidation and Reduction - Chemistry LibreTexts

    This page discusses the various definitions of oxidation and reduction (redox) in terms of the transfer of oxygen, hydrogen, and electrons. It also explains the terms oxidizing agent and reducing agent.

  5. Redox - Wikipedia

    Oxidation is the loss of electrons or an increase in the oxidation state, while reduction is the gain of electrons or a decrease in the oxidation state. The oxidation and reduction processes occur …

  6. Definition of oxidation - Chemistry Dictionary

    Oxidation is a chemical reaction that involves the loss of electrons by an atom, ion, or molecule. It is a fundamental concept in the study of redox (reduction-oxidation) reactions, which are essential to a …

  7. OXIDATION | definition in the Cambridge English Dictionary

    Oxidation is also the chemical process by which an atom or group of atoms loses electrons. These include iron, which transports oxygen throughout the body and helps prevent anemia, magnesium, …

  8. Oxidation and Reduction - Division of Chemical Education, Purdue …

    The term oxidation was originally used to describe reactions in which an element combines with oxygen. Example: The reaction between magnesium metal and oxygen to form magnesium oxide involves …

  9. Oxidation and Reduction - HyperPhysics

    In some reactions, the oxidation is most prominent. For example in the burning of methane, both carbon and hydrogen are oxidized (gain oxygen). The accompanying reduction of oxygen is perhaps easier …

  10. Oxidation-reduction reaction | Definition, Examples, & Facts | Britannica

    Nov 13, 2025 · Because of their complementary nature, the oxidation and reduction processes together are referred to as redox reactions. The reactant that brings about the oxidation is called the oxidizing …