Definition of bacteria

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Bacteria (n.p.) See Bacterium.

Lern More About Bacteria

Microbion :: Microbion (n.) A microscopic organism; -- particularly applied to bacteria and especially to pathogenic forms; as, the microbe of fowl cholera..
Bacterioscopy :: Bacterioscopy (n.) The application of a knowledge of bacteria for their detection and identification, as in the examination of polluted water..
Plasmid :: Plasmid (n.) A piece of DNA, usually circular, functioning as part of the genetic material of a cell, not integrated with the chromosome and replicating independently of the chromosome, but transferred, like the chromosome, to subsequent generations. In bacteria, plasmids often carry the genes for antibiotic resistance; they are exploited in genetic engineering as the vehicles for introduction of extraneous DNA into cells, to alter the genetic makeup of the cell. The cells thus altered may produ
Bactericidal :: Bactericidal (a.) Destructive of bacteria.
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..
Spirochaeta :: Spirobacteria (n. pl.) See the Note under Microbacteria.
Leptothrix :: Leptothrix (n.) Having the form of a little chain; -- applied to bacteria when, as in multiplication by fission, they form a chain of filiform individuals..
Streptococci :: Streptobacteria (n. pl.) A so-called variety of bacterium, consisting in reality of several bacteria linked together in the form of a chain..
Bacteria :: Bacteria (pl. ) of Bacteriu.
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..
Panspermy :: Panspermy (n.) The doctrine of the widespread distribution of germs, from which under favorable circumstances bacteria, vibrios, etc., may develop..
Spore :: Spore (n.) A minute grain or germ; a small, round or ovoid body, formed in certain organisms, and by germination giving rise to a new organism; as, the reproductive spores of bacteria, etc..
Zymogene :: Zymogene (n.) One of a physiological group of globular bacteria which produces fermentations of diverse nature; -- distinguished from pathogene.
Leptothrix :: Leptothrix (n.) A genus of bacteria, characterized by having their filaments very long, slender, and indistinctly articulated..
Bacterial :: Bacterial (a.) Of or pertaining to bacteria.
Pyrogen :: Pyrogen (n.) A poison separable from decomposed meat infusions, and supposed to be formed from albuminous matter through the agency of bacteria..
Toxine :: Toxine (n.) A poisonous product formed by pathogenic bacteria, as a toxic proteid or poisonous ptomaine..
Aeroscope :: Aeroscope (n.) An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air..
Bacteria :: Bacteria (n.p.) See Bacterium.
Schizomycetes :: Schizomycetes (n. pl.) An order of Schizophyta, including the so-called fission fungi, or bacteria. See Schizophyta, in the Supplement..
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