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.
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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).
Category five hurricane
A hurricane with winds greater than 155 mph (135 kt or 249 km/hr). Storm surge generally greater than 18 ft above normal. Complete roof failure on many residences and industrial buildings. Some complete building failures with small utility…
Read the definitionRandom terms
Show more- Sequence, regulatory A sequence of bases in DNA that controls gene expression
- Neonatal intensive care unit An intensive care unit designed for premature and ill newborn babies. Abbreviated NICU. Also called a newborn…
- Anatripsis The use of friction as a treatment modality for a medical condition. Anatripsis may or may not also involve…
- Reaction kinetics Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the…
- Principal investigator In biomedical research, the person who directs a research project or program. The principal investigator (the…
- Fear of bridges An abnormal and persistent fear of bridges, especially crossing bridges. Sufferers of this phobia experience…
- Acupuncturist A person skilled in the practice of acupuncture, who may or may not be credentialed by a national accrediting…
- Category one hurricane A hurricane with winds 74-95 mph (64-82 kt or 119-153 km/hr). Storm surge generally 4-5 ft above normal. No…
- Apnea, central sleep Sleep (CSA): Sleep apnea is a breathing disorder characterized by brief interruptions of breathing during…
- Amygdaloid complex See: Amygdaloid nucleus
- Joint, acetabular The hip joint by another name. The acetabulum is the cup-shaped socket of the hip joint. It is a key feature…
- Genitalia, ambiguous See: Ambiguous genitalia