ZOOGLOEA

in form zoogloea: a genus of gram-negative, aerobic, rod-shaped bacteria (family pseudomonadaceae), typically occurring in masses or films surrounded by gelatinoid material, and often found in water containing sewage or other organic matter; (also zoogloea) a bacterium of this genus.

a mass or film of bacteria (sometimes with other microorganisms) surrounded by gelatinoid material.