Columbia Encyclopedia

Search results

500 results found

diseases of plants

(Encyclopedia)diseases of plants. Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry rot and the rot...

Marseilles

(Encyclopedia)Marseilles märsāˈ [key], Fr. Marseille, city (1990 pop. 807,726), capital of Bouches-du-Rhône dept., SE France, on the Gulf of Lions, an arm of the Mediterranean Sea. It is the second largest city...

Hamburg, city, Germany

(Encyclopedia)Hamburg hämˈbo͝orkh [key], officially Freie und Hansestadt Hamburg (Free and Hanseatic Cit...

Cologne

(Encyclopedia)Cologne kəlōnˈ [key], Ger. Köln, city (2021 est. metro area pop. 1,129,000), North Rhine�...

Vanderbilt, Cornelius

(Encyclopedia)Vanderbilt, Cornelius, 1794–1877, American railroad magnate, b. Staten Island, N.Y. As a boy he ferried freight and passengers from Staten Island to Manhattan, and he soon gained control of most of ...

Panama Canal

(Encyclopedia)Panama Canal, waterway across the Isthmus of Panama, connecting the Atlantic (by way of the Caribbean Sea) and Pacific oceans, built by the United States (1904–14, on territory leased from the repub...

meatpacking

(Encyclopedia)meatpacking or meat-processing, wholesale business of buying and slaughtering animals and then processing and distributing their carcasses to retailers. The livestock industry is among the largest in ...

compact disc

(Encyclopedia)compact disc (CD), a small plastic disc used for the storage of digital data. As originally developed for audio systems, the sound signal is sampled at a rate of 44,100 times a second, then each sampl...

pavement

(Encyclopedia)pavement, the wearing surface of a road, street, or sidewalk. Parts of Babylon and Troy are believed to have been paved; Roman roads were noted for their durable stone paving. Cobblestones were common...

SARS

(Encyclopedia)SARS or severe acute respiratory syndrome, communicable viral disease that can progress to a potentially fatal pneumonia. The first symptoms of SARS are usually a high fever, headache and body aches, ...