allelocatalysis

noun

al·​le·​lo·​ca·​tal·​y·​sis ə-ˌlel-(ˌ)ō-kə-ˈtal-ə-səs, -lē-(ˌ)lō- 

plural allelocatalyses -ˌsēz 

: the mutually stimulating effect on the rate of growth and reproduction of two or more microorganisms in a volume of medium as compared to the rate of a single microorganism in a like volume of the same medium

allelocatalyst

-ˈkat-ᵊl-əst 

noun

allelocatalytic

-ˌkat-ᵊl-ˈit-ik 

adjective