embolus
noun/ˈembələs/
/ˈembələs/
(plural emboli
(medical)/ˈembəlaɪ/, /ˈembəliː/
/ˈembəlaɪ/, /ˈembəliː/
)- a blood clot, air bubble, or small object that causes an embolismWord Originmid 17th cent. (denoting something inserted or moving within another, specifically the plunger of a syringe): from Latin, literally ‘piston’, from Greek embolos ‘peg, stopper’. The current sense dates from the mid 19th cent.
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embolus