Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.

Definition of Reaction, chemical

Medically reviewed by Dr. Otari Nergadze, Neurosurgeon | Updated: January 2026

Reaction, chemical: A process in which one substance is transformed into another. Thousands of different types of chemical reactions occur in the body and are essential to its structure and function.

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