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Bacteria   /bæktˈɪriə/   Listen
Bacteria

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 to be plants.  Synonym: bacterium.



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"Bacteria" Quotes from Famous Books



... a good opportunity to speak of bacteria and cultures. I shall do nothing of the sort. On the hazy borderland of the visible and the invisible, the microscope inspires me with suspicion. It so easily replaces the eye of reality by the eye of imagination; it is so ready to oblige the theorists with just ...
— The Life of the Fly - With Which are Interspersed Some Chapters of Autobiography • J. Henri Fabre

... here discuss the mooted question between chemists, whether fermentation and decay result from slow combustion (eremacausis) or from the presence of living organisms (bacteria, etc.); but having in the preceding pages detailed the results of the application of various antiseptics, we may now indicate under what circumstances they ...
— Scientific American Supplement, No. 514, November 7, 1885 • Various

... egg-laying makes two slits, side by side, afterwards poking the eggs beneath the bark. As the tree continues to grow, the area between the slits dies, making a very rough appearance of the bark and an area into which spores of disease and bacteria may enter. The twig that is badly scarred very often dies, and sometimes young trees just set out are marked ...
— Trees, Fruits and Flowers of Minnesota, 1916 • Various

... says, Look at the roots! Hunter neglected to inoculate The seed, for clover seed must always have Clover bacteria to make it grow, And blossom. In a thrifty field of clover The roots are studded thick with tubercles, Like little warts, made by bacteria. And somehow these bacteria lay hold Upon the nitrogen that fills the soil, And make ...
— Toward the Gulf • Edgar Lee Masters

... numerous of the compounds of the human aggregate are known to physiology as microbes, bacteria, and bacilli; but amongst them our microscopes discover only comparative monsters, "those that are to the ordinary infinitesimal organisms as the elephant is to the ...
— Reincarnation - A Study in Human Evolution • Th. Pascal

... disease-producing animal parasites we come now to those that are believed to be of vegetable nature. Under the general name of bacteria, there are multitudes of micro-organisms having pathogenic powers, each giving rise to some definite specific disease, and certain associations of different bacteria causing particular morbid conditions. Generations ago physicians had a glimmering of what we now term the germ theory of disease, as was shown by their use of such expressions as materies morbi and morbid poisons. Even the definite ...
— Beacon Lights of History, Volume XIV • John Lord

... alumna (feminine) alumnA| analysis analyses bacterium bacteria beau beaux cherub cherubim (or cherubs) crisis crises curriculum curricula datum data genus (meaning "class") genera genius {geniuses (persons or great ability) {genii (spirits) hypothesis hypotheses oasis oases parenthesis parentheses phenomenon phenomena seraph seraphim (or seraphs) ...
— Practical Exercises in English • Huber Gray Buehler

... Bacillus resembling the Tubercular Bacillus that invade the intestines by the way of the animal drinking water or eating food containing the Acid-fast Bacteria. ...
— The Veterinarian • Chas. J. Korinek

... microscope; preparing vaccines. He went home to the brown velvety, leathery study in his Welbeck Street flat to write out his notes, or read some monograph on inoculation; or he dined with a colleague and talked to him about bacteria. ...
— Anne Severn and the Fieldings • May Sinclair

... Lister had been convinced of the importance of scrupulous cleanliness and the usefulness of deodorants in the operating room; and when, through Pasteur's researches, he realised that the formation of PUS was due to bacteria, he proceeded to develop his antiseptic surgical methods. The immediate success of the new treatment led to its general adoption, with results of such beneficence as to make it rank as one of the great discoveries ...
— The Harvard Classics Volume 38 - Scientific Papers (Physiology, Medicine, Surgery, Geology) • Various

... rivers. The rocks and deeps are covered with a vegetation which is green near the surface, becoming darker and darker, even turning to a dark red and brassy yellow as it gets further from the light. In this oceanic paradise of nutritive and luminous waters charged with bacteria and microscopic nourishment, life is developed in exuberance. In spite of the continual traps of the fishermen, the marine herds keep themselves intact because of their ...
— Mare Nostrum (Our Sea) - A Novel • Vicente Blasco Ibanez

... It is, necessarily, a question of the growth of bacteria and is a process which we may easily watch in our own kitchens. Bread rises when the yeast-cells have multiplied and acted on the starch of the flour, producing enough gas to raise the whole mass. Potatoes ferment ...
— Outwitting Our Nerves - A Primer of Psychotherapy • Josephine A. Jackson and Helen M. Salisbury

... undoubtedly very real indeed, he said. The United Nations investigating team, due to go into the Canal Zone the next day and make their report to the world, would find that the epidemic was caused by laboratory-developed bacteria, carried in by an American-made sub. It would be at least as bad, if not worse, ...
— Prologue to an Analogue • Leigh Richmond

... call microbes. Bacteria. Fungi. Viruses. Terrible devouring wild creatures everywhere. You were a howling wilderness. Of course, we have cleaned those things up now. Today you are civilized—a fine, healthy individual of your species—and our revered Fatherland. ...
— Inside John Barth • William W. Stuart

... fallen into errors which it is important to correct. No really well informed person has believed for a long time that carbolic alcohol will destroy the cholera poison; but many fully and correctly believe that real germicides will. It has been known since 1872 that microbes, bacilli, and bacteria could live in very strong solutions of carbolic alcohol, and that the dilute mineral acids, tannin, chloride, corrosive sublimate, and others ...
— Scientific American Supplement, No. 483, April 4, 1885 • Various

... edition of this book was published the popular idea of bacteria to which attention was drawn in the original preface has undergone considerable modification. Experimental medicine has added constantly to the list of diseases caused by bacterial organisms, and the general public has been educated to an adequate conception of ...
— The Story Of Germ Life • H. W. Conn

... delightful manner." There can be no question that he saw them, for we can recognize in his descriptions of these various forms of little "animals" the four principal forms of microbes—the long and short rods of bacilli and bacteria, the spheres of micrococci, ...
— A History of Science, Volume 2(of 5) • Henry Smith Williams

... know—vitality, I guess, when I walk into, say, an automated factory. All that machinery and all that electronic gear is like a single cell in a living organism—an organism that's growing every day, multiplying like bacteria. And it's always sick, and we're the doctors. That's job security. We're riding the wave of the future. I don't think they'll make a salary ...
— New Apples in the Garden • Kris Ottman Neville

... homely economies in the most intimate contact with cows and hens and patches of ground, a life that breathes and exhales the scent of cows and finds the need for stimulants satisfied by the activity of the bacteria and vermin it engenders. Such had been the life of the European peasant from the dawn of history to the beginning of the Scientific Era, so it was the large majority of the people of Asia and Africa had always been wont to live. For a time it had seemed ...
— The War in the Air • Herbert George Wells

... appearing on the surface in spring, keeping deep down in winter. Perhaps the majority of them are phosphorescent, sometimes shining by their own light, sometimes borrowing a glory from innumerable phosphorescent bacteria with which they are infested. Nearly every class of the animal kingdom contributes members to this strange population. The young forms of many fish, as for instance of conger, flying gurnards, and some flatfish, are pelagic and have colourless blood, and pale, transparent, ...
— Thomas Henry Huxley; A Sketch Of His Life And Work • P. Chalmers Mitchell

... spectrum—at first—but time and natural selection undid its work in three generations. Even the broad-spectrum drugs were losing their effectiveness to a dangerous degree within decades of their introduction. And the new drugs grown from Earth-born bacteria, or synthesized in the laboratories, were too few and too weak to meet the burgeoning demands ...
— The Native Soil • Alan Edward Nourse

... Oxidation of Organic Matter in Water" by A. Downes. The author considers that the mere presence of oxygen in contact with the organic matter has but little oxidizing action unless lowly organisms, as bacteria, etc. be simultaneously present. Sunlight has apparently considerable effect in promoting the oxidation of organic matter. The author quotes the following experiment: A sample of river water was filtered through paper. It required per 10,000 parts 0.236 oxygen as permanganate. A second portion ...
— Scientific American Supplement No. 275 • Various

... made in the laboratory of the Battle Creek Sanitarium of fresh meats purchased at seven different markets, all in apparently fresh condition, showed the following number of bacteria per ounce: ...
— Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting • Northern Nut Growers Association

... leak out, or for the fresh air to come in. After dinner the gentlemen adjourn to the library to enjoy the sweet perfumes of smoking for an hour or so with closed windows. What a picture would be presented if the bacteria in the air could be sketched, enlarged, and thrown on a screen, or better still shown in a cinematograph, but apparently gentlemen do not mind anything so long as they can inhale ...
— America Through the Spectacles of an Oriental Diplomat • Wu Tingfang

... is siphoned off and provides the butter fat named in the diets, (b) An aqueous opalescent layer consisting of water and some of the water-soluble constituents of the milk. This is rejected. (c) A white solid mass consisting of cells, bacteria, calcium phosphate and casein particles. ...
— The Vitamine Manual • Walter H. Eddy

... nursing mother it is the result of exposure to cold, or it may result from injury. If infection occurs and an abscess develops, it results from the entrance, through the nipples, or cracks, or fissures in the nipple, of bacteria into the breast. There is fever, with chills and prostration, and very soon it is impossible to nurse the child because of the pain. Nursing should be immediately discontinued, the breast supported by a bandage ...
— The Eugenic Marriage, Volume I. (of IV.) - A Personal Guide to the New Science of Better Living and Better Babies • W. Grant Hague, M.D.

... repression, but only silence, calmness, and peace. When it rises from the muddy pool, the stagnant pond, or the filthy gutter, it rises pure and clean, leaving behind the mud, the slime, the offensive odors, the noxious germs and bacteria. So when the sunshine of God's love shines upon and warms our hearts, it lifts us up from all the slime and filth of sinful habits, clean and pure, into ...
— Heart Talks • Charles Wesley Naylor

... running into them—always on the body of someone who died of something that seemed like a normal disease. Without a microscope, he was almost helpless, but he had taken specimens and tried to culture them. Some of his cultures had grown, though they might be nothing but unknown Martian fungi or bacteria. Mars was dry and almost devoid of air, but plants and a few smaller insects had survived and adapted. It wasn't by any ...
— Badge of Infamy • Lester del Rey

... start toward being a Pure Food Expert, through a study of "physical and chemical changes induced in food products by the growth of molds, yeasts, and bacteria," and a start toward being a Health Officer, through a study of "bacteria in their relation to disease, sources of infection, ...
— Stories from Everybody's Magazine • 1910 issues of Everybody's Magazine

... boiled, and care should be exercised not to expose the food to the air during or after its preparation. It should be remembered that the food of a child must be nutritious, and that in this food, especially when at the proper temperature for the infant, bacteria from the air will flourish wonderfully fast, and therefore the food should not be ...
— The Handy Cyclopedia of Things Worth Knowing - A Manual of Ready Reference • Joseph Triemens

... the soil and atmospheric conditions, render the plants abnormally susceptible to the attacks of fungi and insect pests. Perhaps the most virulent forms of disease with which the Tomato-grower is troubled arise from the attacks of parasitic fungi and bacteria, among which the following ...
— The Culture of Vegetables and Flowers From Seeds and Roots, 16th Edition • Sutton and Sons

... shall go West—why did those soldier boys ever use that phrase with such sinister meaning, or did it signify a better land to them? I shall go West in good hope that I shall return, and meantime will try to develop a strong propaganda in favor of race suicide in the land of the bothering bacteria, Adios. ...
— The Letters of Franklin K. Lane • Franklin K. Lane

... the bacteria survive in, and is transmitted through, water; always a serious threat in areas with an ...
— The 2000 CIA World Factbook • United States. Central Intelligence Agency.

... overcoming tremendous difficulties, the scientists succeeded in developing a microscope kinematography which multiplies the dimensions a hundred thousand times. We may see on the screen the fight of the bacteria with the microscopically small blood corpuscles in the blood stream of a diseased animal. Yes, by the miracles of the camera we may trace the life of nature even in forms which no human observation really finds in the outer world. Out there it may take weeks for the ...
— The Photoplay - A Psychological Study • Hugo Muensterberg

... and that of living organisms that we can best understand the specific difference between non-living and living matter. It is true that a crystal can grow, but it will do so only in a supersaturated solution of its own substance. Just the reverse is true for living organisms. In order to make bacteria or the cells of our body grow, solutions of the split products of the substances composing them and not the substances themselves must be available to the cells; second, these solutions must not be supersaturated, on the ...
— Manhood of Humanity. • Alfred Korzybski

... all plants, and are found everywhere. They multiply almost entirely by simple transverse division, or splitting of the cells, whence their name. There are two pretty well-marked orders,—the blue-green slimes (Cyanophyceae) and the bacteria (Schizomycetes). They are distinguished, primarily, by the first (with a very few exceptions) containing chlorophyll (leaf-green), which is entirely absent from nearly all ...
— Elements of Structural and Systematic Botany - For High Schools and Elementary College Courses • Douglas Houghton Campbell



Words linked to "Bacteria" :   acidophil, probiotic microflora, Francisella, genus Calymmatobacterium, bacteroid, microphage, legionella, gonococcus, superbug, genus Francisella, probiotic bacterium, nitrobacterium, probiotic, microorganism, immune reaction, eubacterium, peritrichous, resistance, Gram-negative, probiotic flora, acidophile, immune response, bioremediation, microbiology, Neisseria gonorrhoeae, diplococcus, Calymmatobacterium, immunologic response, Legionella pneumophilia, micro-organism, Gram-positive, rod



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