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
Sorry, no etymologies found.
Both Claude Bernard and Virchow had expressed their respective ideas before Robert Koch's discovery of the tubercle bacillus in 1882 won the decisive vic - tory for the germ theory of disease.