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Valence   Listen
noun
Valence  n.  (Chem.) The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four. Note: The valence of certain elements varies in different compounds. Valence in degree may extend as high as seven or eight, as in the cases of iodine and osmium respectively. The doctrine of valence has been of fundamental importance in distinguishing the equivalence from the atomic weight, and is an essential factor in explaining the chemical structures of compounds.






Collaborative International Dictionary of English 0.48








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"Valence" Quotes from Famous Books



... three new universities opened their doors during the same period: Valence 1459, Nantes 1460, Bourges 1464. These were all placed under the general supervision of the local bishops. The great university of Paris was gradually changing its character. From the most cosmopolitan and international of bodies it was fast becoming strongly nationalist, and was the chief center ...
— The Age of the Reformation • Preserved Smith

... by Charles X. to go to the south to meet her father, her step-mother, and her sisters, left Saint Cloud, October 10, 1829. The 17th, she was at Lyons, whither she promised to return. At Valence, she found her step-brother and her sister, the Infante and Infanta Francois de Paule, and returned with them to Lyons, where, October 20, she was greeted by a great crowd, eager to look upon her face. At the Grand Theatre Their Highnesses ...
— The Duchess of Berry and the Court of Charles X • Imbert De Saint-Amand

... done so except for the purchase of a box of nougat at Montelimart (the place is famous for the manufacture of this confection, which, at the station, is hawked at the windows of the train) and for a bouillon, very much later, at Lyons. The journey beside the Rhone—past Valence, past Tournon, past Vienne—would have been charming, on that luminous Sunday, but for two disagreeable accidents. The express from Marseilles, which I took at Orange, was full to overflowing; and the only refuge I could find was an inside angle in a carriage laden ...
— A Little Tour in France • Henry James

... on the ruins of the old Roman world. It was used in the Greek empire until the fall of Constantinople. It never entirely lost authority in Italy, although it remained buried for centuries, till the discovery of the Florentine copy of the Pandects at the siege of Amalfi in 1135. Peter Valence, in the eleventh century, made use of it in a law-book which ...
— Beacon Lights of History, Volume III • John Lord

... were polished into a dark richness by long rubbing with petroleum and banana leaves. The furnishings consisted of a wardrobe, a table, a washstand, several chairs, and a Filipino four-poster bed with a mattress of plaited rattan such as we find in cane-seated chairs. A snow-white valence draped the bed. The mattress was covered with a petate, or native mat, and there were two pillows—a big, fat, bolstery one, and another, called abrazador, which is used ...
— A Woman's Impression of the Philippines • Mary Helen Fee

... thirteenth century, Jesus himself draws near to the deathbed of his Mother. The soul has already quitted her body, and is seated, a tiny crowned figure, on his left arm (as she had carried Him) to be taken to heaven. In the beautiful early fourteenth century monument of Aymer de Valence at Westminster, the soul of the deceased, "a small figure wrapped in a mantle," is supported by two angels at the head of the tomb. Among many similar instances may be mentioned the soul of the beggar, Lazarus, on a carved capital at Vzlay; and the same subject ...
— Greek Studies: A Series of Essays • Walter Horatio Pater

... 11th.—We left Avignon on Tuesday, 7th, and took the rail to Valence, where we arrived between four and five, and put up at the Hotel de la Poste, an ancient house, with dirty floors and dirt generally, but otherwise comfortable enough. . . . . Valence is a stately old town, full of tall houses ...
— Passages From the French and Italian Notebooks, Complete • Nathaniel Hawthorne

... Philip fled with Antoinette from the burning chateau and from the bedside of his dying father. On quitting the scene of the catastrophe that destroyed the home of his childhood, Philip accompanied by Mlle. de Mirandol repaired to Valence. There, a friend of the Chamondrin family furnished them with the means to pursue their journey to England, which country they gained after ...
— Which? - or, Between Two Women • Ernest Daudet

... King very soon treated it as if it were his own, giving away manors and convents at his pleasure. A great part of the possessions of the order was subsequently made over to the Hospitallers. The convent and church of the Temple in London were granted, in 1313, to Aymer de Valence, Earl of Pembroke, whose monument is in Westminster Abbey. Other property was pawned by the King to his creditors as security for payment of his debts; but constant litigation and disputes seem to have pursued the holders ...
— The Great Events by Famous Historians, Volume 07 • Various

... have done a good deal worse had we stopped at progressive, up-to-date Valence, where automobile tourists usually do stop, but we took the offering of the small town instead of the large one, and found ...
— The Automobilist Abroad • M. F. (Milburg Francisco) Mansfield

... taken ill at Valence and lay there for a fortnight, oppressed with some kind of low fever. One night he awoke from a refreshing sleep, but could not sleep again. It seemed to him afterwards as if he had lain waiting for something. Anyhow something came. As it were a faint ...
— Robert Falconer • George MacDonald

... frowning wrathfully: 'O ay, what say ye to Sir Valence, him Whose kinsman left him watcher o'er his wife And two fair babes, and went to distant lands; Was one year gone, and on returning found Not two but three? there lay the reckling, one But one hour old! What said the happy sire?' A seven-months' babe had been a truer gift. ...
— Idylls of the King • Alfred, Lord Tennyson

... seventieth year, received his first commission as second lieutenant in a regiment of artillery, and was almost immediately afterwards promoted to the rank of first lieutenant in the corps quartered at Valence. He mingled with society when he joined his regiment, more than he had hitherto been accustomed to do; mixed in public amusements, and exhibited the powers of pleasing, which he possessed in an uncommon degree when he chose to exert them. His handsome and intelligent ...
— The Mirror of Literature, Amusement, and Instruction, Vol. 10, Supplementary Number, Issue 263, 1827 • Various

... moment was lost. Aylmer de Valence, Earl of Pembroke, was at once commissioned to proceed to Scotland, to "put down rebellion and punish the rebels," the whole military array of the northern counties was placed under his orders, and Clifford and Percy were associated with him in the commission. ...
— In Freedom's Cause • G. A. Henty

... civil functionaries of the different towns and departments, and with many tokens of sympathy on the part of the people; and his personal demeanour was such as it had been wont to appear in his better days. At Valence he met Augereau, whose conduct during the campaign had moved his bitterest displeasure; the interview was short—the recriminations mutual, and, for the first time perhaps, the fallen Emperor heard himself addressed in that tone of equality ...
— The History of Napoleon Buonaparte • John Gibson Lockhart

... personage's brief and base career in the Netherlands, all, that was left of his visit being the semi-sovereignty which the notorious Balagny had since that time enjoyed, in the archiepiscopal city. This personage, a natural son of Monluc, Bishop of Valence, and nephew of the, distinguished Marshal Monluci was one of the most fortunate and the most ignoble of all the soldiers of fortune who had played their part at this epoch in the Netherlands. A poor creature himself, he had a heroine for ...
— The Rise of the Dutch Republic, 1555-1566 • John Lothrop Motley



Words linked to "Valence" :   covalence, biological science, biology, monovalent, powerfulness, polyvalent, multivalent, covalency, chemistry, power, double, valency, bivalent, chemical science, valence electron



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