mycobacterium

from WordNet (r) 3.0 (2006)

mycobacterium
    n 1: rod-shaped bacteria some saprophytic or causing diseases
         [syn: {mycobacteria}, {mycobacterium}]

from The Collaborative International Dictionary of English v.0.48

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

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