MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
About MedicalVocabulary.org
The most complete online medical dictionary: 16,436 terms covering anatomy, physiology, pathologies, diagnostic exams, pharmacology and every clinical specialty.
Designed for 3 kinds of users:
- Patients and family who want to understand a diagnosis, a medical report or instructions from a doctor.
- Students of medicine, nursing, physiotherapy and the health professions, dealing with technical terminology.
- Doctors, pharmacists and healthcare workers who need a quick and reliable reference.
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.
- 100% free
- No registration
- No intrusive ads
- Privacy by design
- Mobile friendly
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).
Severe cyclonic storm
A regionally specific name for a strong tropical cyclone in the North Indian Ocean. Other terms for precisely the same type of storm include hurricane (in the North Atlantic Ocean, the Northeast Pacific Ocean east of the dateline, or the…
Read the definitionRandom terms
Show more- Peripheral neuropathy Peripheral neuropathy: A problem with the functioning of the nerves outside the spinal cord. Symptoms may…
- Hypnagogic hallucination A vivid dreamlike hallucination that occurs as one is falling asleep. The opposite of an hypnopompic…
- PHS The Public Health Service, the agency responsible for the public health of the American people. The Public…
- Cation In chemistry, a positively charged ion. Pronounced cat-I-on. A cation is as opposed to an anion, which is a…
- Calf The belly or fleshy hind part of the leg below the knee. The calf is made up mainly of the gastrocnemius…
- Apposition The word 'apposition' has several senses including the act of adding or accretion and also the putting of…
- Diabetes mellitus Diabetes mellitus: Better known just as 'diabetes' -- a chronic disease associated with abnormally high…
- United States Public Health Service The agency responsible for the public health of the American people. The Public Health Service (PHS)…
- Joint aspiration A common benign childhood condition involving hypermobile joints (that can move beyond the normal range of…
- C. welchii Clostridium welchii
- Film, PA An X-ray picture in which the beams pass from back-to-front (posteroanterior). As opposed to an AP…
- XTC A street name for 3-4 methylenedioxymethamphetamine. See: Ecstasy