microbe Meaning, Definition & Usage

  1. noun a minute life form (especially a disease-causing bacterium); the term is not in technical use
    bug; germ.

WordNet

Mi"crobe, Mi*cro"bi*on noun (Also<
  • Microbe
  • Microbion
)
Etymology
NL. microbion, fr. Gr. little + life.
Definitions
  1. (Biol.) A microscopic organism; -- particularly applied to bacteria and especially to pathogenic forms; as, the microbe of fowl cholera.

Webster 1913