Learn how to say Embolus correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word embolus:
(plural) -li (-ˌlaɪ)
material, such as part of a blood clot or an air bubble, that is transported by the blood stream until it becomes lodged within a small vessel and impedes the circulation Compare thrombus
C17: via Latin from Greek embolos stopper, from emballein to insert, from ballein to throw; see emblem