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).
Presbycusis
Age-related hearing loss with gradually progressive inability to hear, especially high frequency sounds. Presbycusis most often occurs in both ears. Because the loss of hearing is so gradual, people with presbycusis may not realize that…
Read the definitionRandom terms
Show more- Aspiration pneumonia Pneumonia: Infection of the lungs due to aspiration (the sucking in of food particles or fluids into the…
- Beetle, blister A blister beetle is one of a number of beetles that have historically been used in dried or powdered form for…
- HCV PCR viral load test See: HCV PCR
- Myo- (prefix) A prefix denoting a relationship to muscle. Myo- enters into many words and terms in medicine including…
- Arginine An amino acid, one of the 20 amino acids that serve as the building blocks in protein. Arginine is not an…
- Tuberculosis, miliary The presence of numerous sites of tuberculosis infection each of which is minute, due to dissemination of…
- MECP2 (methyl-CpG-binding protein-2) An enzyme which, when mutated, results in RTT (Rett syndrome), a genetic disease that is a uniform and…
- Captioning The text display of spoken words, presented on a movie screen or a television (or another type of monitor)…
- Birth rate The birth rate is usually given as the number of live births divided by the average population (or the…
- QRS complex The deflections in the tracing of the electrocardiogram (ECG or EKG), comprising the Q, R, and S waves, that…
- Neuropathy, diabetic See: Diabetic neuropathy
- Hotel-Dieu A name often given to a hospital in France during the Middle Ages. Hotel-Dieu literally means the hotel (of)…