Columbia Encyclopedia

Search results

201 results found

Fehling's solution

(Encyclopedia)Fehling's solution fāˈlĭngz [key], deep-blue, alkaline solution used to test for the presence of aldehydes (e.g., formaldehyde, HCHO) or other compounds that contain the aldehyde functional group, ...

Orsini

(Encyclopedia)Orsini ōrsēˈnē [key], powerful Roman family that included three popes and numerous other churchmen, soldiers and statesmen. The eponymous ancestor was one Ursus. Giacinto Orsini, who became Pope C...

Margaret Maultasch

(Encyclopedia)Margaret Maultasch moulˈtäsh [key] [Ger.,=pocket mouth], 1318–69, countess of Tyrol, called the Ugly Duchess, probably because of her unattractive appearance, especially her mouth. When Margaret's...

thistle

(Encyclopedia)thistle, popular name for many spiny and usually weedy plants, but especially applied to members of the family Asteraceae (aster family) that have spiny leaves and often showy heads of purple, rose, w...

Pisa, Council of

(Encyclopedia)Pisa, Council of, 1409, unrecognized council of the Roman Catholic Church. It was summoned to end the Great Schism (see Schism, Great) by members of the colleges of cardinals of the two rivals, Gregor...

Carpini, Giovanni de Piano

(Encyclopedia)Carpini, Giovanni de Piano jōvänˈnē dā pyäˈnō kärpēˈnē [key], c.1180–1252, Italian traveler and Franciscan monk, b. Pian del Carpini (now Piano della Magione), Umbria. He was a companion...

Saratoga campaign

(Encyclopedia)Saratoga campaign, June–Oct., 1777, of the American Revolution. Lord George Germain and John Burgoyne were the chief authors of a plan to end the American Revolution by splitting the colonies along ...

lacquer

(Encyclopedia)lacquer, solution of film-forming materials, natural or synthetic, usually applied as an ornamental or protective coating. Quick-drying synthetic lacquers are used to coat automobiles, furniture, text...

Saxe, Maurice, comte de

(Encyclopedia)Saxe, Maurice, comte de mōrēsˈ kôNt də säks [key], 1696–1750, marshal of France, one of the greatest generals of his age. He was the illegitimate son of Augustus II of Poland and Saxony and Co...

Columban, Saint

(Encyclopedia)Columban, Saint kəlŭmˈbən [key], c.540–615, Irish missionary to the continent of Europe, also called Columbanus. He was trained in the abbey at Bangor. He and 12 companions, including St. Gall, ...