Search medical terms and abbreviations with the most up-to-date and comprehensive medical dictionary from the reference experts at Merriam-Webster. Master today's medical vocabulary. Authoritative pronunciations.

The meaning of MEDICAL is of, relating to, or concerned with physicians or the practice of medicine. How to use medical in a sentence.

of, relating to, or constituting syncytium… See the full definition

The meaning of PALLIATIVE CARE is medical and related care provided to a patient with a serious, life-threatening, or terminal illness that is not intended to provide curative treatment but rather to manage symptoms, relieve pain and discomfort, improve quality of life, and meet the emotional, social, and spiritual needs of the patient.

Nosocomial is a word that usually occurs in formal medical contexts—specifically, in reference to hospital-acquired sickness. We hope you never encounter nosocomial as part of your own …

an instrument for measuring blood pressure and especially arterial blood pressure… See the full definition

a cell (as of the skin, eye, or hair follicle) that produces melanin… See the full definition

a pituitary octapeptide hormone C43H66N12O12S2 that stimulates especially the contraction of uterine muscle and the secretion of milk… See the full definition

exhibiting abnormal redness of the skin or mucous membranes due to the accumulation of blood in dilated capillaries (as in inflammation) :… See the full definition

irritation of or injury to a spinal nerve root (as from being compressed) that typically causes pain, numbness, or muscle weakness in the part of… See the full definition