Pronunciation: (em'bu-lus), [key]
—pl. -liPronunciation: (-lī"). [key] Pathol.
undissolved material carried by the blood and impacted in some part of the vascular system, as thrombi or fragments of thrombi, tissue fragments, clumps of bacteria, protozoan parasites, fat globules, or gas bubbles.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.