[em.bo.lus] n, pl -li [NL, fr. Gk embolos wedge-shaped object, stopper, fr. emballein] (1859): an abnormal particle (as an air bubble) circulating in the blood--compare thrombus
EMBOLUS
Meaning of EMBOLUS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012