Columbia Encyclopedia
Search results
500 results found
Leucippus
(Encyclopedia)Leucippus lo͞osĭpˈəs [key], 5th cent. b.c., Greek philosopher. Aristotle believed that Leucippus inspired the atomistic theory with which Democritus is identified. Little is known about Leucippus....Libyan Desert
(Encyclopedia)Libyan Desert, northeast part of the Sahara Desert, NE Africa, in SW Egypt, E Libya, and NW Sudan; called the Western Desert in Egypt. It is a region of sand dunes, stony plains, and rocky plateaus. T...Painted Desert
(Encyclopedia)Painted Desert, badlands on the northeastern bank of the Little Colorado River, NE Ariz., stretching c.200 mi (320 km) SE from the Grand Canyon; includes Petrified Forest National Park. Striking bands...Ukrainian language
(Encyclopedia)Ukrainian language, also called Little Russian: see Russian language; Slavic languages. ...Ruwenzori
(Encyclopedia)Ruwenzori ro͞oˌwənzōˈrē [key], mountain range, E central Africa, on the Uganda-Congo border, in the western arm of the Great Rift Valley between lakes Albert and Edward. This fault-block range i...sodium nitrate
(Encyclopedia)sodium nitrate, chemical compound, NaNO3, a colorless, odorless crystalline compound that closely resembles potassium nitrate (saltpeter or niter) in appearance and chemical properties. It is soluble ...pyroxene
(Encyclopedia)pyroxene pīˈrŏksēn [key], name given to members of a group of widely distributed rock minerals called metasilicates in which magnesium, iron, and calcium, often with aluminum, sodium, lithium, man...Quiller-Couch, Sir Arthur Thomas
(Encyclopedia)Quiller-Couch, Sir Arthur Thomas kwĭlˈər-ko͞ochˌ [key], pseud. Q, 1863–1944, English author. Among the novels of his native Cornwall are Dead Man's Rock (1887) and Hetty Wesley (1903), which ar...Abu-Simbel
(Encyclopedia)Abu-Simbel ĭpˈsämbo͞olˈ [key], village, S Egypt, on the Nile River. Its two temples were hewn (c.1250 b.c.) out of rock cliffs during the reign of Ramses II. To avoid the rising waters caused by ...Eleusis
(Encyclopedia)Eleusis ĭlo͞oˈsĭs [key], ancient city of Attica, Greece, 12 mi (20 km) NW of Athens. Through ancient times it was the seat of the Eleusinian Mysteries. There was a large temple to Demeter. The Ele...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-
