'Microbion' definitions:

Definition of 'Microbion'

From: GCIDE

Microbe \Mi"crobe\, Microbion \Mi*cro"bi*on\, n. [NL. microbion, fr. Gr. ? little + ? life.] (Biol.) A microscopic organism; a microorganism; -- particularly applied to bacteria and especially to pathogenic forms; as, the microbe of fowl cholera. [1913 Webster] microbial