MedicalVocabulary.org
Medical vocabulary with 16,436 clear, complete and reliable definitions.
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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).
Type I error
The statistical error (said to be 'of the first kind' or alpha error) made in testing an hypothesis when it is concluded that a treatment or intervention is effective when it really is not. Sometimes referred to as a false positive
Read the definitionRandom terms
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- Colostrum A sticky white or yellow fluid secreted by the breasts during the second half of pregnancy and for a few days…
- Psychosis, Othello See: Othello syndrome
- Rodney K. Beals See: Beals, Rodney K.
- Pyrosis A technical term for what is popularly called heartburn, a burning sensation in the upper abdomen. In many…
- Ear puncture Puncture of the ear drum may be due to an accident for example when something is stuck into the ear. Or it…
- Pressure wound See: Pressure sore
- Carbohydrates Mainly sugars and starches, together constituting one of the three principal types of nutrients used as…
- Syndrome, radial aplasia-thrombocytopenia See Syndrome, TAR
- Typhoon supplies kit One of a group of acute infections caused by rickettsiae, transmitted by arthropods (lice, fleas, mites), and…
- National Institute of Mental Health (NIMH) One of the National Institutes of Health in the U.S., NIMH's mission is to 'provide national leadership…