Columbia Encyclopedia

Search results

500 results found

Kanchenjunga

(Encyclopedia)Kanchenjunga, Kanchanjanga kĭnˌchənjo͝ongˈgə [key], mountain, on the India-Nepal border, E Himalayas; geologically regarded as part of the main axis of the Himalayan range. The third highest mo...

White Mountains

(Encyclopedia)White Mountains, part of the Appalachian system, N N.H. and SW Maine, rising to 6,288 ft (1,917 m) at Mt. Washington in the Presidential Range and to 5,249 ft (1,600 m) at Mt. Lafayette in the Francon...

Caño Cristales

(Encyclopedia)Caño Cristales, river, c.62 mi (100 km) long, central Colombia, rising in Serranía de la Macarena National Park and flowing SE to the Guayabero River. Also known as the “River of Five Colors” or...

tourmaline

(Encyclopedia)tourmaline to͝orˈməlĭn, –lēn [key], complex borosilicate mineral with varying amounts of aluminum, iron, magnesium, sodium, lithium, potassium, and sometimes other elements, used as a gem. It o...

Pilatus

(Encyclopedia)Pilatus pēläˈto͝os [key], mountain, 6,800 ft (2,073 m) high, in the Alps of the Four Forest Cantons, central Switzerland. According to medieval legend, the corpse of Pontius Pilate was thrown into...

Barnardo, Thomas John

(Encyclopedia)Barnardo, Thomas John bərnärˈdō [key], 1845–1905, British social reformer. Pioneering in the care of destitute children, he founded (1867) in London the East End Juvenile Mission. In 1870, with ...

Phillips, Samuel

(Encyclopedia)Phillips, Samuel, 1752–1802, American educator and politician, b. North Andover, Mass., grad. Harvard, 1771. A member of the Massachusetts provincial congress (1775–80) and a delegate to the state...

autism

(Encyclopedia)autism ôˈtĭzəm [key], developmental disability resulting from a neurological disorder that affects the normal functioning of the brain. It is characterized by the abnormal development of communica...

Paektu, Mount

(Encyclopedia)Paektu or Baekdu, Mount, volcanic peak, 9,003 ft (2,744 m) high, in the Changbai Mts. on the border between North Korea and China. The highest mountain in Korea, it rises from a basalt lava plateau th...

corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...