Definition of embolus noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈembələs//
; NAmE NAmE//ˈembələs//
(pl. emboli
BrE BrE//ˈembəlaɪ//
; NAmE NAmE//ˈembəlaɪ//
; BrE BrE//ˈembəliː//
; NAmE NAmE//ˈembəliː//
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a blood clot, air bubble, or small object that causes an embolism Word 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.
See the Oxford Advanced American Dictionary entry: embolus