Pronunciation: (plaz-mō'dē-um), [key]
—pl. -di•aPronunciation: (-dē-u). [key]
1. Biol.an ameboid, multinucleate mass or sheet of cytoplasm characteristic of some stages of organisms, as of myxomycetes or slime molds.
2. any parasitic protozoan of the genus Plasmodium, causing malaria in humans.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.