Noun | 1. | embolism - an insertion into a calendar calendar - a system of timekeeping that defines the beginning and length and divisions of the year interval, time interval - a definite length of time marked off by two instants |
2. | embolism - occlusion of a blood vessel by an embolus (a loose clot or air bubble or other particle) occlusion - closure or blockage (as of a blood vessel) aeroembolism, air embolism, gas embolism - obstruction of the circulatory system caused by an air bubble as, e.g., accidentally during surgery or hypodermic injection or as a complication from scuba diving fat embolism - serious condition in which fat blocks an artery; fat can enter the blood stream after a long bone is fractured or if adipose tissue is injured or as a result of a fatty liver pulmonary embolism - blockage of the pulmonary artery by foreign matter or by a blood clot embolus - an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood |