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.
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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).
Premenstrual
Just before the start of menstruation. As in a premenstrual headache
Read the definitionRandom terms
Show more- Perchloric acid See: Perchlorate
- Poison Any substance that can cause severe distress or death if ingested, breathed in, or absorbed through the skin…
- Cervical vertebra, second The second cervical vertebra is called the axis. It is so-named because the uppermost cervical vertebra…
- HTLV Human T-lymphotropic virus
- Pesthouse A hospital where people suffering from infectious disease were once confined and sometimes treated. 'I…
- Anaptic Suffering from an impaired sense of touch, (a state called anaphia) or tactile anesthesia. An anaptic person…
- ETS Environmental tobacco smoke. Smoke generated from the sidestream (the burning end) of a cigarette, pipe or…
- Circle of Willis An arterial circle at the base of the brain that is of critical importance. The circle of Willis receives all…
- Co-morbid Pertaining to two or more disorders simultaneously
- Pneumonoultramicroscopicsilicovolcanosconiosis Allegedly, 'a lung disease caused by the inhalation of very fine silicate or quartz dust.' The word was…
- Peeling agent An agent that promotes the softening and shedding of the horny outer layer of the skin. Also called a…
- Soothing Bringing comfort, solace, reassurance, peace, composure, quietude. To soothe is to allay, balm, becalm, calm…