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).
Diachronic
The word 'diachronic' is from the Greek dia-, through + chronos, time = through time. As opposed to synchronic, at one point in time
Read the definitionRandom terms
Show more- Seroconversion Seroconversion: The development of detectable antibodies in the blood directed against an infectious agent…
- Cardioverter Although cardioversion (the conversion of one cardiac rhythm to another) may sometimes be done with…
- Lymphadenopathy-associated virus Another name for the human immunodeficiency virus (HIV) that causes AIDS. Please see: Lymphadenopathy virus
- Inflammation, bladder See: Bladder inflammation
- Microvascular disease Disease of the finer blood vessels in the body, including the capillaries. In contrast to macrovascular…
- Hirudin An anticoagulant ('bloodthinner'). Hirudin is the active principle in the salivary secretion of leeches. The…
- Hypoglycemia unawareness Hypoglycemia unawareness: A complication of diabetes in which the patient is unaware of a deep drop in blood…
- Extrauterine Outside the uterus (the womb). As opposed to intrauterine: inside the uterus. For example, normal pregnancies…
- False positive A result that is erroneously positive when a situation is normal. An example of a false positive: a…
- Absence of the breast A rare condition wherein the normal growth of the breast or nipple never takes place. They are congenitally…
- National Institute on Aging (NIA) One of the US National Institutes of Health (NIH). The mission of the National Institute on Aging is to 'lead…
- Hemidiaphragm, raised See: Elevated hemidiaphragm