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Hydr-   Listen
prefix
Hydr-, Hydro-  pref.  
1.
A combining form from Gr., meaning water (see Hydra).
2.
(Chem.) A combining form of hydrogen, indicating hydrogen as an ingredient, as hydrochloric; or a reduction product obtained by hydrogen, as hydroquinone.






Collaborative International Dictionary of English 0.48








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"Hydr-" Quotes from Famous Books



... figure in the building. There it was the immense Corliss steam engine. Here it is a Diesel, started by President Wilson by wireless on the opening day, and generating all the direct current used in the palace. Another commanding exhibit is a 20,000 horsepower hydro-electric generator, significant of the modern use of water-power. The United States Government is the largest exhibitor in the building, with numerous fine models of warships, docks, dams and submarine mines; torpedoes, artillery, armorplate ...
— The Jewel City • Ben Macomber

... practical experiments with those hot mineral springs—those healing waters whose virtues, up till then, had been unaccountable neglected. Realizing their curative possibilities, he selected fifty of the oldest and wisest of his Privy Councillors to undergo a variety of hydro-thermal tests on their bodies, internal and external. Seven of these gentlemen had the good luck to survive the treatment. They received the Order of the Golden Vine, a coveted distinction. The remaining ...
— South Wind • Norman Douglas

... 10, 1915, a submarine torpedoed one of the food ships chartered by the commission. A week later a German hydro-airplane tried to drop bombs on the deck of another commission ship. So Hoover paid a flying visit to Berlin. He was at once assured that no more incidents ...
— History of the World War - An Authentic Narrative of the World's Greatest War • Francis A. March and Richard J. Beamish

... System of Hydropathy and Hygiene. Containing Outlines of Anatomy; Physiology of the Human Body; Hygienic Agencies, and the Preservation of Health; Dietetics, and Hydropathic Cookery; Theory and Practice of Water Treatment; Special Pathology, and Hydro-Therapeutics, including the Nature, Causes, Symptoms, and Treatment of all known Diseases; Application of Hydropathy to Midwifery and the Nursery. Designed as a Guide to Families and Students, and a Text-Book for Physicians. By R. T. Trall, M.D. Illustrated with upwards of Three Hundred Engravings ...
— Vegetable Diet: As Sanctioned by Medical Men, and by Experience in All Ages • William Andrus Alcott

... their mouths. Amid the old women were a few little girls of thirteen or fourteen, monstrously deformed, with bleary eyes; one of them had her nose completely eaten away, with nothing but a hole like a wound left in its place; another was hydro-cephalous, with so thin a neck that it seemed the slightest movement would snap it and send her head rolling ...
— The Quest • Pio Baroja

... suspicious shrimps, and ordered them to be conveyed to the Mansion-house. Mem. Have them for breakfast to-morrow. Return to dress for dinner, having promised to take the chair at the Grand Annual Metropolitan Anti-Hydro-without-gin-drinking Association. ...
— Punch, or the London Charivari, Volume 1, Complete • Various

... dispatched to our military adviser in London, then General Harding-Stewart, to place at once on order the armament for the fort, which it had been decided should consist of two 9.2 and two 6-inch breech-loading guns, mounted on hydro-pneumatic gun-carriages, the latest up-to-date ordnance approved of by the home government for coastal ...
— The Chronicles of a Gay Gordon • Jose Maria Gordon

... solicitor's office, and when the study of hydraulics was absorbing all his leisure hours, he was quizzically said to have "water on the brain." Electrical problems also engaged his attention, and in 1844 he lectured at the Lit. and Phil. rooms on his hydro-electric machine, on which occasion the lecture room was so tightly packed that he had to get in through the window. In the following year he explained to the same society his hydraulic experiments and achievements; in 1846 he was elected a Fellow of the Royal ...
— Northumberland Yesterday and To-day • Jean F. Terry

... the hydro-carbons depends on the valence of C, which, in most cases, is a tetrad. Take successively 1, 2, and 3 C atoms, saturate with H, and ...
— An Introduction to Chemical Science • R.P. Williams

... of life we have to consider two very different kinds of phenomena: the one embraced under the collective name—Inorganic chemistry—the other under the collective name—Organic chemistry, or the chemistry of hydro-carbons. These divisions are made because of the peculiar properties of the elements chiefly involved in the second class. The properties of matter are so distributed among the elements that three of them—Oxygen, Hydrogen, and Carbon—possess an ensemble of unique ...
— Manhood of Humanity. • Alfred Korzybski

... Moreover hydro-therapy was supplemented by massage, which often had beneficial results in nervous affections; and fumigation of the patients, before they received advice from the oracle, lent an air of mystery. Those who were cured returned to express their gratitude and to offer presents to the god, as ...
— Primitive Psycho-Therapy and Quackery • Robert Means Lawrence

... Chippawa-Queenston Power Canal and plant, which represents an investment of almost a hundred million dollars. The plant will have a capacity of 650,000 horse-power, which will be distributed throughout Canada and possibly the neighbouring States, and will be an important addition to the Ontario Hydro-Electric Power Transmission System which was inaugurated at Kitchener, ...
— Canada • J. G. Bourinot

... aeroplane. He's to try out his hydro-aeroplane to-morrow. He's probably been at work on the machinery and hurt ...
— Glory of Youth • Temple Bailey

... consists of particles of pure unconsumed carbon, and this is accompanied in its passage up our chimneys by sulphurous acid, begotten by the sulphur which is contained in the coal to the amount of about eight pounds in every thousand; by sulphuretted hydrogen, by hydro-carbons, and by vapours of various kinds of oils, small quantities of ammonia, and other bodies not by any means contributing to a healthy condition of the atmosphere. A good deal of the heavier carbon is deposited along the walls of chimneys in the form ...
— The Story of a Piece of Coal - What It Is, Whence It Comes, and Whither It Goes • Edward A. Martin

... 1801, at Popayan, whence we made excursions to the basaltic mountains of Julusuito and the craters of the Purace volcano, which discharge hydro-sulphuric steam and porphyritic granite with a ...
— Celebrated Travels and Travellers - Part 2. The Great Navigators of the Eighteenth Century • Jules Verne

... young man with a charming smile of reassurance. "This contraption is a—er—I—I think Dick calls it an hydro-aeroplane. It has pontoons and things growing all over it for duck stunts and if the water wasn't so infernally still, I'd be floating and smoking and likely in time I'd make shore. That's a delightful pastime for you now," he added with a lazy smile of the utmost good humor, "to float and smoke ...
— Diane of the Green Van • Leona Dalrymple

... enumerate the plants which furnish starch in large proportion, but a few may be given as illustrative of the above positions. The chemical analysis of those proximate principles of plants which are mere combinations of water with carbon (hydro-carbonates or hydrates of carbon) has been already given, but ...
— The Church of England Magazine - Volume 10, No. 263, January 9, 1841 • Various

... articles of food and the mode of its preparation, has to be recognised. Such and such inexpensive and unskilfully prepared food may contain more than the necessary amount of proteids (that is, matters like flesh, the casein of cheese and of vegetables, and the albumen of eggs), of hydro-carbons (i.e., fats), of carbo-hydrates (i.e., starch and sugar), yet if you were suddenly to compel a man accustomed to well-cooked meat to live on such food he would be unable to assimilate it, his digestive organs would refuse to work, and he would become, if not seriously ...
— More Science From an Easy Chair • Sir E. Ray (Edwin Ray) Lankester

... all saw a number of large, heavy boxes lowered into the hold before we sailed. I know you did, because you asked me what they contained and commented upon the large letter 'H' which was painted upon each box. These boxes contain the various parts of a hydro-aeroplane. I purpose assembling this upon the strip of beach described in Bowen's manuscript—the beach where he found the dead body of the apelike man—provided there is sufficient space above high water; otherwise ...
— The People that Time Forgot • Edgar Rice Burroughs

... Monster huge, hydro-cephalous, Haunting our city of blunders and jobs, Born, it would seem, to bewilder and baffle us, Who'll give you "one" for your numerous nobs. Many have menaced you, some had a shy at you; SALISBURY stout, and bespectacled CROSS, Each in his season has joined in the cry at you, Little, ...
— Punch, Or The London Charivari, Vol. 99., October 11, 1890 • Various

... arrangement produced by the repeated re-opening and filling of the same fissure; but never, in quartz veins, a regular filling up from the sides towards the centre, as in veins produced by deposits from springs. Quartz veins extend sometimes for miles, and it is necessary to suppose on the hydro-thermal theory that the fissures remained open sufficiently long for the gradual deposition of the veinstones, without the soft and shattered rocks at their sides falling in, nor yet fragments from above; although there are many lodes, fully twenty feet in width, filled entirely with ...
— The Naturalist in Nicaragua • Thomas Belt

... logging railroad, 20 miles of which are electrified, hydro-electric plants and the foundry and machine shops, where many units of the logging and plant machinery ...
— The Marvelous Exploits of Paul Bunyan • W.B. Laughead

... in charge of the hydro-electric plant of the Woodbridge Quarry Company, became interested in the "Scout Engineers," and through him the officials of the quarry company were persuaded to allow the lads to use as much electric current as they required without cost. The youngsters ...
— The Boy Scout Fire Fighters • Irving Crump

... Faraday, of being explained by continuous action through an intervening medium. The law of the mutual force in our model, however, is not the simple Newtonian law, but the much more complex law of the mutual action between electro magnets—with this difference, that in the hydro-kinetic model in every case the force is opposite in direction to the corresponding force in the electro-magnetic analogue. Imagine a solid bored through with a hole, and placed in our ideal perfect liquid. For a moment let the hole be stopped by a diaphragm, ...
— Scientific American Supplement, No. 460, October 25, 1884 • Various

... introduced. In addition to variations in the tests, due to changes in construction in the combustion chamber, there will be variations in the fuels tested. Especial effort will be made to procure fuels ranging in volatile content from 15 to 27 and to 40%, and those high in tar and heavy hydro-carbons. It is also proposed to vary the conditions of testing by burning at high rates, such as at 15, 20, and 30 lb. per ft. of grate surface, and even higher. Records will be kept of the weight of coal fired and of each firing, ...
— Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 • Herbert M. Wilson



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