em‧bo‧lis‧m /ˈembəlɪz
əm/ 
 noun [countable][
Date: 1800-1900; 
Language: Modern Latin; 
Origin: embolismus, from Greek emballein;  ⇒ emblem] 
medical something such as a hard mass of blood or a small amount of air that blocks a tube carrying blood through the body 
 [TahlilGaran] Dictionary of Contemporary English ▲