from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A rod-shaped aerobic bacterium (Mycobacterium tuberculosis) that causes tuberculosis.
from the GNU version of the Collaborative International Dictionary of English
- n. a minute vegetable organism (Mycobacterium tuberculosis, formerly Bacillus tuberculosis, and also called Koch's bacillus) discovered by Koch, a German physician, in the sputum of consumptive patients and in tuberculous tissue. It is the causative agent of tuberculosis.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. cause of tuberculosis
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