Definition of Bacterium

Babylon English
bacterium
n. singular form of bacteria

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Bacterium definition was found in categories: Language, Idioms & Slang(4)  Arts & Humanities(1)  Science & Technology(3)  Medicine(2)  Entertainment & Music(1)  Encyclopedia(1)  

Bacterium Definition from Language, Idioms & Slang Dictionaries & Glossaries

Webster's Revised Unabridged Dictionary (1913)
Bacterium
(n.)
A microscopic vegetable organism, belonging to the class Algae, 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.
  

WordNet 2.0
bacterium

Noun
1. (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 plants
(synonym) bacteria
(hypernym) microorganism
(hyponym) acidophil, acidophile
(derivation) bacterize, bacterise
(classification) microbiology
(class) gram-positive

hEnglish - advanced version
bacterium

bacterium
\bac*te"ri*um\ (&?;), n.; pl. bacteria (&?;). [nl., fr. gr. &?;, &?;, a staff: cf. f. bactérie. ] (biol.) a microscopic vegetable organism, belonging to the class alg?, 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. [


  similar words(1) 




 ratbite fever bacterium 

for Vocabulary Exams of KPDS, YDS,UDS (in Turkey); and SAT in America
bacterium
A microbe.


Bacterium Definition from Arts & Humanities Dictionaries & Glossaries

JM Latin-English Dictionary
bacterium
N
bacterium


Bacterium Definition from Science & Technology Dictionaries & Glossaries

BioProcess International™ Glossary
bacterium (plural, bacteria)
a single-celled, microscopic organism that reproduces by cell division, usually has a cell wall, and has no distinct cellular nucleus; some bacteria cause disease, whereas others are beneficial (aiding in digestion, for example).

Bioglossary
Bacterium
Description: Unicellular microscopic organism that reproduces by division. Bacteria are found in all habitats, both in the environment and within the bodies of the largest organisms.
Source: Specialized encyclopedia and dictionaries

Biological Control
Bacterium
A single-celled microscopic plant-like organism that does not produce chlorophyll.


Bacterium Definition from Medicine Dictionaries & Glossaries

Hepatitis Central (TM) Liver Disease Medical Glossary
Bacterium
Tiny, single-celled microorganism, commonly known as a germ; some bacteria, called pathogens, cause disease

Glossary of HIV/AIDS-Related Terms
BACTERIUM
A microscopic organism composed of a single cell. Many bacteria can cause disease in humans.


Bacterium Definition from Entertainment & Music Dictionaries & Glossaries

English to Federation-Standard Golic Vulcan
Bacterium
talvot


Bacterium Definition from Encyclopedia Dictionaries & Glossaries

Wikipedia English - The Free Encyclopedia
Bacteria
Bacteria (singular: bacterium) are unicellular microorganisms. Typically a few micrometres in length, individual bacteria have a wide-range of shapes, ranging from spheres to rods to spirals. Bacteria are ubiquitous in every habitat on Earth, growing in soil, acidic hot springsradioactive waste, seawater, and deep in the Earth's crust. There are typically 40 million bacterial cells in a gram of soil and a million bacterial cells in a millilitre of fresh water; in all, there are approximately five nonillion (5×1030) bacteria in the world. Bacteria are vital in recycling nutrients, and many important steps in nutrient cycles depend on bacteria, such as the fixation of nitrogen from the atmosphere. However, most of these bacteria have not been characterised, and only about half of the phyla of bacteria have species that can be cultured in the laboratory. The study of bacteria is known as bacteriology, a branch of microbiology.

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