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