The Meta-Encyclopedia

Single-source entries: D (44)

These 12 listings are so strange that each appears in only one of the 7 encyclopedias we compared. They include such classics as Dewas, Dewing, Dexter.

Dewas

a native state of central India under British protection, held conjointly by two Rajput chiefs. Area under both chiefs, 290 square miles; pop. 152,100. The capital, Dewas, 20 miles N. E. of Indore, is a straggling town, with a population of about 12,000.

Only in Collier's New Encyclopedia

Dewey (JOHN an American educator born)

JOHN, an American educator, born in Burlington, Vt., in 1859. He graduated from the University of Vermont in 1879 and took post-graduate studies at Johns Hopkins University. He was on the faculty of the University of Minnesota as professor of philosophy in 1888-1889, and at the University of Michigan from 1889 to 1894. From 1894 to 1904 he was professor and head of the department of philosophy at the University of Chicago and was director of the School of Education at that institution from 1902 to 1904. From 1904 he was professor of philosophy at Columbia University, at the same time acting as lecturer on psychology. He was president of the American Psychological Association, and the American Philosophical Society. He wrote many works on philosophy and psychology, including "School and Society" (1899); "Studies in Logical Theory" ry" (1903); "How to Think" (1909); "German Philosophy and Politics" (1915); and "Democracy and Education" (1916).

Only in Collier's New Encyclopedia

Dewey (MELVIL an American librarian)

MELVIL, an American librarian, born at Adams Center, N. Y., in 1851. He graduated from Amherst College in 1874. After serving as librarian at Amherst College, he became chief librarian and professor of library economy at Columbia University. From 1906 he was director of the New York State Library, and from 1891 to 1906 he was director of the Home Education Department. He was secretary and executive officer of the University of the State of New York from 1889 to 1900, and from 1904 to 1906 was State director of libraries in New York. He was one of the chief advocates of spelling reform, and was editor of the "A. L. A. Catalog" (1904); and "The Library"; and of various journals and reports. He was a member and officer of many educational societies.

Only in Collier's New Encyclopedia

Dewing

THOMAS WILMER, an American artist, born in Boston in 1851. He studied art in Paris and in 1879 began the practice of his profession in New York City, painting chiefly portraits and figure compositions. He was awarded the Clarke prize in 1887, and the first medal at the Carnegie Institute in 1908. He was a member of the National Academy of Design.

Only in Collier's New Encyclopedia

Dexter

in heraldry the right; situated on the right; as the dexter side of a shield is that opposite the left hand of the spectator.

Only in Collier's New Encyclopedia

Dexter

HENRY an American news agent; born in West Cambridge, Mass., March 14, 1813. He was educated in the common schools, and, after obtaining employment in various publishing houses, started for himself in 1842 as a news agent. In 1864 he organized the died July American News Co. He 11, 1910.

Only in Collier's New Encyclopedia

Dextrin

or DEXTRINE, in chemistry, (C6H10O5)n, starch gum, British gum; obtained by the action of boiling dilute sulphuric acid on starch, and afterward neutralizing with chalk; if boiled for a longer time the dextrin is converted into dextrose. Dextrin can also be formed by heating starch to between 170° to 200° C. It is a gummy amorphous as mass, soluble in water, and precipitated by alcohol. It is called dextrin on account of its dextro-rotary action on polarized light. Dextrin is formed in germinating seeds by the action of an azotized substance called diastase. Dextrin is used as a substitute for gum.

Only in Collier's New Encyclopedia

Dextrose

grape sugar, dextroglucose, C6H12O or C.HO (OH). Dextrose occurs along with levulose in grapes and other sweet fruits, also in honey and in the urine of diabetic patients. It can be produced by the action of dilute sulphuric acid on cane sugar, starch, cellulose, etc. It can be best obtained by boiling for several hours 50 parts of starch with dilute sulphuric acid (100 parts of water to five parts of H2SO4). The solution is then neutralized with chalk, filtered, boiled with animal charcoal to remove traces of color, and then evaporated carefully to dryness, forming an amorphous mass which contains about 60 per cent. of dextrose, the remainder being chiefly dextrin. Pure dextrose can be obtained by crystallization from alcohol. It turns polarized light to the right, and dissolves lime, baryta, oxide of lead, etc. Dextrose reduces an alkaline solution of cupric sulphate, giving a red precipitate of Cu2O on heating. It reduces ferric salts to ferrous salts. Dextrose tastes much less sweet than ordinary cane sugar. By the action of sodium amalgam on dextrose it is converted into mannite, C6H14O6.

Only in Collier's New Encyclopedia

Dey

a title formerly assumed by the rulers (under the Turkish Sultan) of Algiers, Tripoli, and Tunis. The name was also formerly given to elderly people, especially among the Janizaries; hence came to be commonly applied at Algiers to the commanding officers of that corps, who frequently became afterward a pasha or regent of that province.

Only in Collier's New Encyclopedia

Dhalak

an archipelago of the Red Sea, off the coast of Abyssinia. It contains nearly 100 rocks and islets, mostly uninhabited, clustering round the island of Dhalak el-Kebir, which is about 35 miles long by 30 broad. This island possesses a pearl fishery.

Only in Collier's New Encyclopedia

Dhar

a town of central India, lying the at an elevation of 1,908 feet above the sea, 33 miles W. of Mhov. It has over 20,000 inhabitants, and preserves, in two large mosques of red stone and a fort defended b by a high rampart and 26 towers, traces of bygone magnificence. It is the capital of a protected state of the same name, with an area of 1,775 square miles, and a population of about 145,000.

Only in Collier's New Encyclopedia

Dharwar

a town and district in the southern Mahratta country, in Bombay presidency, separated by the river Tungabhadra from Madras. The town has no manufactures of importance, but a good deal of trade. Pop. 30,000. The district has an area of 4,600 square miles, and a population of 1,100,000, mostly Hindus. The most interesting feature of the country is its suitableness for the growth of American cotton, which now occupies a third of the total acreage devoted to cotton. Cotton and silk cloth are manufactured in the district. The prevalent language is Canarese.

Only in Collier's New Encyclopedia