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).
Gas, laughing
Nitrous oxide, a gas capable of causing general anesthesia. Today nitrous oxide is sometimes given in the company of other anesthetic agents but is no longer used as the sole anesthetic agent because the concentration of nitrous oxide…
Read the definitionRandom terms
Show more- Nephritis Inflammation of the kidney. Nephritis can be acute or chronic. Acute nephritis is most commonly caused by…
- Maimonides' prayer R of a Physician: A prayer that is said to have been written by the 12th-century physician-philosopher Moses…
- Ophthalmic Pertaining to the eye. An ophthalmic ointment is designed for the eye.
- West syndrome Infantile spasms, a seizure disorder of infancy and early childhood with the onset predominantly in the first…
- Hyperkalemia Hyperkalemia: Elevated blood potassium. Potassium is the major positive ion (cation) found inside of cells…
- CBT Cognitive behavior therapy. See: Cognitive therapy
- Melissophobia Fear of bees. A phobia is an unreasonable sort of fear that can cause avoidance and panic. Phobias are a…
- Fanconi pancytopenia See Fanconi anemia
- Ectoparasitosis Infestation with an ectoparasite, a parasite that lives on or in the skin. The four major ectoparasitoses are…
- Screening, newborn hearing Testing of the newborn baby's ability to hear. Newborn screening of hearing is done with automated auditory…
- Acute kidney failure See: Acute renal failure
- Syndrome, contiguous gene A disorder clearly involving multiple gene loci that are adjacent to one another. An example of a contiguous…