'mycobacterium' definitions:

Definition of 'mycobacterium'

(from WordNet)
noun
Rod-shaped bacteria some saprophytic or causing diseases [syn: mycobacteria, mycobacterium]

Definition of 'mycobacterium'

From: GCIDE
  • mycobacterium \mycobacterium\ n.; pl. mycobacteria. Any of various rod-shaped bacteria, some saprophytic or causing diseases. [WordNet 1.5]