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  1. DIAGNOSIS Definition & Meaning - Merriam-Webster

    The meaning of DIAGNOSIS is the art or act of identifying a disease from its signs and symptoms. How to use diagnosis in a sentence.

  2. Diagnosis | Definition, Types, Examples, & Facts | Britannica

    Jun 22, 2026 · Diagnosis, the process of determining the nature of a disease or disorder and distinguishing it from other possible conditions. The term comes from the Greek gnosis, meaning …

  3. What Is a Medical Diagnosis and How Does It Work?

    Mar 24, 2026 · While it might seem like a single moment when a doctor names your condition, diagnosis is actually an ongoing, iterative process of gathering clues, forming theories, and narrowing …

  4. Symptom Checker with Body from WebMD - Check Your Medical ...

    WebMD Symptom Checker is designed with a body map to help you understand what your medical symptoms could mean, and provide you with the trusted information you need to help make informed …

  5. DIAGNOSIS Definition & Meaning | Dictionary.com

    When a doctor tells you why you're feeling ill, he gives you a diagnosis. He asks questions, checks your symptoms, and then identifies what's making you sick. Diagnosis is a medical term, but you can …

  6. What Is a Diagnosis? Meaning, Types, and Process

    Mar 5, 2026 · A diagnosis is a formal identification of a disease, condition, or injury based on a person’s symptoms, medical history, physical examination, and test results.

  7. Medical Diseases & Conditions - Mayo Clinic

    Explore comprehensive guides on hundreds of common and rare diseases and conditions from the experts at Mayo Clinic.