Definition of bacteria

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Bacteria (n.p.) See Bacterium.

Lern More About Bacteria

Spirochaeta :: Spirobacteria (n. pl.) See the Note under Microbacteria.
Bacterial :: Bacterial (a.) Of or pertaining to bacteria.
Zymogene :: Zymogene (n.) One of a physiological group of globular bacteria which produces fermentations of diverse nature; -- distinguished from pathogene.
Antitoxine :: Antitoxine (n.) A substance (sometimes the product of a specific micro-organism and sometimes naturally present in the blood or tissues of an animal), capable of producing immunity from certain diseases, or of counteracting the poisonous effects of pathogenic bacteria..
Aerobies :: Aerobies (n. pl.) Microorganisms which live in contact with the air and need oxygen for their growth; as the microbacteria which form on the surface of putrefactive fluids.
Bacterium :: 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
Sterlet :: Sterilize (v. t.) To destroy all spores or germs in (an organic fluid or mixture), as by heat, so as to prevent the development of bacterial or other organisms..
Streptococci :: Streptobacteria (n. pl.) A so-called variety of bacterium, consisting in reality of several bacteria linked together in the form of a chain..
Sarcina :: Sarcina (n.) A genus of bacteria found in various organic fluids, especially in those those of the stomach, associated with certain diseases. The individual organisms undergo division along two perpendicular partitions, so that multiplication takes place in two directions, giving groups of four cubical cells. Also used adjectively; as, a sarcina micrococcus; a sarcina group..
Pleomorphism :: Pleomorphism (n.) The theory that the various genera of bacteria are phases or variations of growth of a number of Protean species, each of which may exhibit, according to undetermined conditions, all or some of the forms characteristic of the different genera and species..
Schizomycetes :: Schizomycetes (n. pl.) An order of Schizophyta, including the so-called fission fungi, or bacteria. See Schizophyta, in the Supplement..
Microbacteria :: Microbacteria (n. pl.) In the classification of Cohn, one of the four tribes of Bacteria..
Anthrax :: Anthrax (n.) A microscopic, bacterial organism (Bacillus anthracis), resembling transparent rods. [See Illust. under Bacillus.].
Spirograph :: Spirochaete (n.) A genus of Spirobacteria similar to Spirillum, but distinguished by its motility. One species, the Spirochaete Obermeyeri, is supposed to be the cause of relapsing fever..
Bacterioscopy :: Bacterioscopy (n.) The application of a knowledge of bacteria for their detection and identification, as in the examination of polluted water..
Mycoderma :: Mycoderma (n.) One of the forms in which bacteria group themselves; a more or less thick layer of motionless but living bacteria, formed by the bacteria uniting on the surface of the fluid in which they are developed. This production differs from the zooloea stage of bacteria by not having the intermediary mucous substance..
Coccobacteria :: Coccobacteria (pl. ) of Coccobacteriu.
Vibrio :: Vibrio (n.) A genus of motile bacteria characterized by short, slightly sinuous filaments and an undulatory motion; also, an individual of this genus..
Micrococcus :: Micrococcus (n.) A genus of Spherobacteria, in the form of very small globular or oval cells, forming, by transverse division, filaments, or chains of cells, or in some cases single organisms shaped like dumb-bells (Diplococcus), all without the power of motion. See Illust. of Ascoccus..
Chromogenic :: Chromogenic (a.) Containing, or capable of forming, chromogen; as, chromogenic bacteria..
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