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).
PH meter
A simple and speedy device to measure the acidity and alkalinity of a fluid. A pH meter acts as a volt meter that measures the electrical potential difference between a pH electrode and a reference electrode and displays the result in…
Read the definitionRandom terms
Show more- Hydrocephaly Also known as hydrocephalus, this is an abnormal buildup of cerebrospinal fluid (CSF) in the ventricles of…
- Cell, rod A type of specialized light-sensitive cell (photoreceptor) in the retina of the eye that provides side vision…
- Psychosis, schizophrenia The most chronic and disabling of the major mental illnesses. Schizophrenia may be one disorder, or it may be…
- Interstitial radiation Radiation therapy in which a radioactive material is placed directly into a tumor.
- Roundworm A type of parasitic worm that hatches in the intestines and lives there. The eggs of the roundworm usually…
- Hypoxia A subnormal concentration of oxygen. By contrast with normoxia (normal oxygen) and anoxia (the absence or…
- Anatomy, microscopic Known among medical students simply as 'micro', microscopic anatomy is the study of the form of normal…
- Deformity, cauliflower-ear Deformity, cauliflower-ear: Destruction of the underlying cartilage framework of the outer ear (pinnae)…
- Hysterectomy, vaginal Removal of the uterus through a surgical incision, not of the abdomen but, within the vagina. With a vaginal…
- Sapphism Female homosexuality. Named after the poet Sappho who lived on the Greek island of Lesbos (circa 600 BC). She…
- Incase A term once used to refer to the medical case of an inpatient
- Bruce protocol A standardized multistage treadmill test for assessing cardiovascular health, The test was developed and…