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Micr-   Listen
prefix
Micr-, Micro-  pref.  A combining form signifying:
(a)
Small, little, trivial, slight; as, microcosm, microscope.
(b)
(Metric System, Elec., Mech., etc.) A millionth part of; as, microfarad, microohm, micrometer.






Collaborative International Dictionary of English 0.48








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"Micr-" Quotes from Famous Books



... Hut, at a temperature which ranged from 40 degrees to 45 degrees F., the number of micro-organisms continuously increased, if the exposure of agar plates at regular intervals (by night) gave a true indication. The organisms were staphylocci albi, bacilli, yeasts, and moulds; the latter overgrowing ...
— The Home of the Blizzard • Douglas Mawson

... the crystalline form of snow. Mr. Mntz has not been contented to merely submit the iodoform precipitates obtained by him to microscopical examination, but has preserved the aspect of his preparations by means of micro-photography. The figures annexed show some of the most characteristic of the proofs. Fig. 1 shows crystals of iodoform obtained with pure water to which one-millionth part of alcohol had been added. Fig. 2 exhibits the form of the crystals obtained with rain water; and Fig. 3, those with water. Fig. ...
— Scientific American Supplement, No. 288 - July 9, 1881 • Various

... studying a form of life now extinct, which once (with certain allowances made for the romantic tendency) flourished in the West; Mr. Howells, taking micro-graphic studies of present-day life in the great centre of American culture; Mr. James, with a clever, weary persiflage skimming the face of society in refined cosmopolitan circles; and Miss Wilkins, observing the bitter humours of the Eastern yokel, are none of them distinctively ...
— My Contemporaries In Fiction • David Christie Murray

... terrorism or nuclear, biological, chemical, or radiological attack. Sec. 853. Increased simplified acquisition threshold for procurements in support of humanitarian or peacekeeping operations or contingency operations. Sec. 854. Increased micro-purchase threshold for certain procurements. Sec. 855. Application of certain commercial items authorities to certain procurements. Sec. 856. Use of streamlined procedures. Sec. 857. Review and report by Comptroller General. ...
— Homeland Security Act of 2002 - Updated Through October 14, 2008 • Committee on Homeland Security, U.S. House of Representatives

... derived from the combustion of gas or oil. Hence acetylene and flame illuminants generally have the valuable hygienic advantages over electric lighting, not only of killing a far larger number of the micro-organisms that may be present in the air, but, by virtue of their naked flames, of burning up and destroying a considerable quantity of the aforesaid odoriferous matter, thus relieving the nose and materially ...
— Acetylene, The Principles Of Its Generation And Use • F. H. Leeds and W. J. Atkinson Butterfield

... that he first suggested their causal connection with fermentation and disease, but it was because he for the first time placed the subject upon a firm foundation by proving with rigid experiment some of the suggestions made by others, and in this way turned the attention of science to the study of micro-organisms. ...
— The Story Of Germ Life • H. W. Conn

... conditions eggs may be the cause of illness by communicating some bacterial disease or some parasite. It is possible for an egg to become infected with micro-organisms, either before it is laid or after. The shell is porous, and offers no greater resistance to micro-organisms which cause disease than it does to those which cause the egg to spoil or rot. When the infected egg is eaten ...
— The Dollar Hen • Milo M. Hastings

... A Mouchot of the future will invent a machine to guide the rays of the sun and make them work, so that we shall no longer seek sun-heat stored in coal in the depths of the earth. They will experiment the watering of the soil with cultures of micro-organisms—a rational idea, conceived but yesterday, which will permit us to give to the soil those little living beings, necessary to feed the rootlets, to decompose and assimilate the component parts of ...
— The Conquest of Bread • Peter Kropotkin

... people with decayed teeth have also suppuration about the margins of the gums and around the roots of the teeth. This pyorrhoea alveolaris, as it is called, constitutes a very great danger to the patient's health, the purulent discharge teems with poisonous micro-organisms, which being constantly swallowed are apt to give rise to septic disease in various organs. It is quite probable that some cases of gastric ulcer are due to this condition, so too are some cases of appendicitis, it has been known to cause a peculiarly fatal ...
— Youth and Sex • Mary Scharlieb and F. Arthur Sibly

... Japanese beer sake (q.v.) is of interest. The first stage consists in the preparation of Koji, which is obtained by treating steamed rice with a culture of Aspergillus oryzae. This micro-organism converts the starch into sugar. The Koji is converted into moto by adding it to a thin paste of fresh-boiled starch in a vat. Fermentation is set up and lasts for 30 to 40 days. The third stage consists ...
— Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 - "Brescia" to "Bulgaria" • Various

... classifying organisms. The chief characters of every living thing are unalterably fixed by heredity. Men do not gather grapes of thorns nor figs of thistles. Every living thing produces off-spring after its own kind, Men, horses, cattle; birds, reptiles, fishes; insects, mollusks, worms; polyps, sponges, micro-organisms,—all of the million known species of animals and plants differ from one another because of inherited peculiarities, because they have come from different kinds ...
— Manhood of Humanity. • Alfred Korzybski



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