Definition of Bacterium

1. Noun. (microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants.




Definition of Bacterium

1. n. A microscopic vegetable organism, belonging to the class Algæ, usually in the form of a jointed rodlike filament, and found in putrefying organic infusions. Bacteria are destitute of chlorophyll, and are the smallest of microscopic organisms. They are very widely diffused in nature, and multiply with marvelous rapidity, both by fission and by spores. Certain species are active agents in fermentation, while others appear to be the cause of certain infectious diseases. See Bacillus.

Definition of Bacterium

1. Noun. (microbiology) A single celled organism with no nucleus. ¹

¹ Source: wiktionary.com

Definition of Bacterium

1. [n -RIA]

Medical Definition of Bacterium

1. A tiny, unicellular, prokaryotic organism that reproduces by cell division and usually has a cell wall, can be shaped like a sphere, rod or spiral and can be found in virtually any enviroment. (09 Oct 1997)

Bacterium Pictures

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Lexicographical Neighbors of Bacterium

bacteriostases
bacteriostasis
bacteriostat
bacteriostatic
bacteriostatic agent
bacteriostats
bacteriotherapy
bacteriotoxic
bacteriotoxin
bacteriotropic
bacteriotropic substance
bacteriotropin
bacteriotrypsin
bacterise
bacteritic
bacterium (current term)
bacteriuria
bacteriurias
bacterivore
bacterivores
bacterivory
bacterization
bacterizations
bacterize
bacterized
bacterizes
bacterizing
bacteroid
bacteroidaceae
bacteroidaceae infections

Literary usage of Bacterium

Below you will find example usage of this term as found in modern and/or classical literature:

1. Manual of Bacteriology by Edgar March Crookshank (1890)
"bacterium of diphtheria of pigeons bacterium cholera: gallinarum bacterium ... putidum bacterium fluorescens liquefaciens bacterium urea- bacterium aceti . ..."

2. Proceedings of the Royal Society of London by Royal Society (Great Britain) (1900)
"A Sugar bacterium. "A Sugar bacterium." By H. MARSHALL WARD, FRS, and J. REYNOLDS GREEN, ... It consists of a bacterium associated with at least one yeast, ..."

3. Proceedings of the American Association for the Advancement of Science (1887)
"BY inoculation into mice, a bacterium was isolated from one of a number of spleens taken from swine-plague in Nebraska, which resembles the bacterium of ..."

4. Phytopathology by American Phytopathological Society (1917)
"These swellings never burst open, but bacterium Curi was recovered from the interior three ... bacterium Curi was repeatedly recovered from these swellings, ..."

5. An Introduction to Bacterial Diseases of Plants by Erwin Frink Smith (1920)
"Cotton leaf inoculated from a "windowed" colony of bacterium mal- ... Green cotton bolls accidentally attacked by bacterium malvacearum. Hothouse. ..."

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