| Embolism 1. (n.) The obstruction of a blood vessel by an embolus such as a bubble or clot. Embolism in the brain often produces sudden unconsciousness and paralysis. 2. (n.) Intercalation; the insertion of days, months, or years, in an account of time, to produce regularity; as, the embolism of a lunar month in the Greek year. 3. (n.) Intercalated time. Thesaurus Entries bar, barrier, blank wall, blind alley, blind gut, block, blockade, blockage, bottleneck, cecum, choking, choking off, clog, congestion, constipation, costiveness, cul-de-sac, dead end, embolus, gorge, impasse, impediment, infarct, infarction, jam, obstacle, obstipation, obstruction, sealing off, stop, stoppage, strangulation |