MedicalVocabulary.org

Medical vocabulary with 16,436 clear, complete and reliable definitions.

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16,436 medical terms defined
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The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.

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Definitions are written in clear, accessible language while keeping the rigor required for professional use. Each term has a dedicated URL, instant autocomplete search, and can be shared on WhatsApp, Facebook, X and via email with one click.

Disclaimer: the content is for informational and educational purposes only and does not replace medical advice. If you have doubts about your health, always consult a qualified professional. In case of emergency call your local emergency number (911 in the US, 112 in the EU).

Featured term

Quaque (on prescription)

If a medicine is to be taken every so- many hours, it is written 'q_h'; the 'q' standing for the Latin word for once 'quaque' and the 'h' indicating the number of hours. So, for example, '2 caps q4h' means 'Take 2 capsules every 4 hours.'…

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