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).
Expectoration
A big polysyllabic word for sputum or the act of bringing up and spitting out sputum. From the Latin expectorare, to expel from the chest, from ex-, out of + pectus, chest
Read the definitionRandom terms
Show more- Study, Framingham See: Framingham Study
- Replacement therapy, hormone (HRT) The combination therapy of estrogen plus progestogen, termed hormone replacement therapy (HRT). Estrogen…
- Blood in the urine Blood in the urine is termed hematuria. Gross hematuria refers to blood that is so plentiful in the urine…
- MUTYH See: MYH
- Vein, brachial A vein that accompanies the brachial artery between the shoulder and the elbow. The route of the brachial…
- Nevoid basal cell carcinoma syndrome The Gorlin syndrome
- Power of attorney, durable This is a type of advance medical directive in which legal documents provide the power of attorney to another…
- Olivo- Pertaining to the olive, a structure in the brain
- Nictitate To wink. Nictitating spasm is spasm of the eyelid with continuous winking. 'Nictitate' and the older verb…
- Soporific Something such as a drug that causes or induces profound sleep. Tending to cause sleep or to dull the sense…
- Gastroparesis Gastroparesis: Gastroparesis is a medical condition in which the muscle of the stomach is paralyzed by a…
- Surgeon A physician who treats disease, injury, or deformity by operative or manual methods. A medical doctor…