- any rod-shaped or cylindrical bacterium of the genus Bacillus, comprising spore-producing bacteria.
- (formerly) any bacterium.
Origin of bacillus
Examples from the Web for bacilli
That in the bacilli we have … the actual infective cause of tuberculosis.When TB Was a Death Sentence: An Excerpt From ‘The Remedy’
April 16, 2014
I think he is taking home the bacilli of the bubonic plague as a present to our country.Quaint Courtships
But there are influences, as there are bacilli, which unconsciously we absorb.The Paliser case
The latter come in contact with the bacilli, and remain for some time attached to them.Histology of the Blood
Nearly all cocci are immotile, while the bacilli may or may not be.Outlines of Dairy Bacteriology, 8th edition
H. L. Russell
Even a temperature of 70° C. is able to lessen the efficacy of the bacilli.
Word Origin and History for bacilli
plural of bacillus (q.v.).
1877, medical Latin, from Late Latin bacillus "wand," literally "little staff," diminutive of baculum "a stick," from PIE root *bak- "staff," also source of Greek bakterion (see bacteria). Introduced as a term in bacteriology 1853 by German botanist Ferdinand Cohn (1828-1898).
- Any of various rod-shaped, usually gram-positive aerobic bacteria of the genus Bacillus that often occur in chains and include Bacillus anthracis, the causative agent of anthrax.
- Any of various bacteria, especially a rod-shaped bacterium.
- A genus of rod-shaped gram-positive bacteria capable of producing endospores.
- Any of various pathogenic bacteria, especially one that is rod-shaped.
One of three forms of bacteria, usually rod-shaped.