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).
Alcohol Abuse and Alcoholism, National Institute
One of the National Institutes of Health, NIAAA's mission is to 'conduct research focused on improving the treatment and prevention of alcoholism and alcohol-related problems to reduce the enormous health, social, and economic consequences…
Read the definitionRandom terms
Show more- Sinus tachycardia A fast heartbeat (tachycardia) because of rapid firing of the sinoatrial (sinus) node. The sinoatrial (or…
- Schizoid Having symptoms similar to those of schizophrenia. See schizophrenia
- Primary immunodeficiency disease A disorder caused by an inherited flaw in the immune system that increases the susceptibility to infections…
- Transitional cell carcinoma A type of cancer that develops in the lining of the renal pelvis, ureter or bladder
- Typhus, louse-borne See: Typhus, epidemic
- Psychodynamic therapy A type of psychotherapy that draws on psychoanalytic theory to help people understand the roots of emotional…
- Trench mouth A progressive painful infection of the mouth and throat with ulceration, swelling and sloughing off of dead…
- White spots on the nails Very small semi-circular white spots on the nails. These spots may be found on the fingernails and…
- SEM Scanning electron microscope
- Silicosis A form of lung disease resulting from occupational exposure to silica dust over a period of years. Silicosis…
- Carcinoma of the tongue See: Tongue cancer
- Code, hospital While there is no formal definition for a 'Code,' doctors often use the term as slang to refer to a patient…