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).
Unwell
Not well or in good health, ailing, sick, indisposed. For example, 'I am well-nigh choked with the sulfurous heat of the weather -- or I am unwell.' (1826, Journal of Sir Walter Scott) 'Unwell' is also a euphemism for experiencing…
Read the definitionRandom terms
Show more- ASA (drug caution code) Abbreviation on a medication that indicates it contains acetylsalicylic acid (aspirin). This special caution…
- Arthritis in children Arthritis in children, usually in the form in the form of juvenile arthritis (also called pediatric…
- Incontinence, urge A sudden involuntary contraction of the muscular wall of the bladder causing urinary urgency, an immediate…
- BRCA2 A gene that normally acts to restrain the growth of cells in the breast and ovary but which, when mutated…
- Watermelon stomach Parallel red sores in the stomach that look like the stripes on a watermelon. Frequently seen with cirrhosis…
- Cl (chloride) Cl is the chemical symbol for chloride, the major anion found in the fluid outside of cells and in blood. An…
- Intern In medicine, a doctor who has completed medical school and is engaged in a year of additional training at a…
- Kinetics Kinetics (with an 's' at the end) refers to the rate of change in a biochemical (or other) reaction, the…
- Merkel cell carcinoma Carcinoma: An infrequent but highly malignant type of skin cancer. Characteristically starts in a sun-exposed…
- Sebaceous cyst A sebaceous cyst is a rounded swollen area of the skin formed by an abnormal sac of retained excretion…
- Withdrawal symptoms Abnormal physical or psychological features that follow the abrupt discontinuation of a drug that has the…
- Transplant, renal Replacement of a diseased, damaged, or missing kidney with a donor kidney. Also called a kidney transplant…