noun pl. plasmodia -·dia (-ə)

1. a shapeless mass of protoplasm with many nuclei and no definite size, esp. the vegetative stage of a myxomycete
2. any of a genus (Plasmodium) of unicellular sporozoans found in red blood corpuscles, including the parasites that cause malaria

Etymology: ModL: see plasma, -ode, -ium