| Noun | 1. | phlebothrombosis - thrombosis of a vein without prior inflammation of the vein; associated with sluggish blood flow (as in prolonged bedrest or pregnancy or surgery) or with rapid coagulation of the bloodsurgery - the branch of medical science that treats disease or injury by operative procedures; "he is professor of surgery at the Harvard Medical School" maternity, pregnancy, gestation - the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus thrombosis - the formation or presence of a thrombus (a clot of coagulated blood attached at the site of its formation) in a blood vessel |