Columbia Encyclopedia
Search results
397 results found
bacteria
(Encyclopedia)bacteria [pl. of bacterium], microscopic unicellular prokaryotic organisms characterized by the lack of a membrane-bound nucleus and membrane-bound organelles. Once considered a part of the plant king...Gibraltar
(Encyclopedia)Gibraltar jĭbrôlˈtər [key], British overseas territory (2015 est. pop. 34,000), 2.5 sq mi (6.5 sq km), on a narrow, rocky peninsula extending into the Mediterranean Sea from SW Spain. Most of the ...malaria
(Encyclopedia)malaria, infectious parasitic disease that can be either acute or chronic and is frequently recurrent. Malaria is common in Africa, Central and South America, the Mediterranean countries, Asia, and ma...South America
(Encyclopedia) CE5 South America, fourth largest continent (2015 est. pop. 416,436,000), c.6,880,000 sq mi (17,819,000 sq km), the southern of the two continents of the Western Hemisphere. It is divided political...Guatemala, country, Central America
(Encyclopedia) CE5 Guatemala gwätəmäˈlə [key], officially Republic of Guatemala, republic (2021 est. pop. ...nightshade
(Encyclopedia) CE5 Nightshade, Solanum dulcamara nightshade, common name for the Solanaceae, a family of herbs, shrubs, and a few trees of warm regions, chiefly tropical America. Many are climbing or creeping ty...Taliban
(Encyclopedia)Taliban or Taleban tälēbänˈ, –lə– [key], Islamic fundamentalist militia of Afghanistan and later Pakistan, originally consisting mainly of Sunni Pashtun religious students from Afghanistan wh...progressivism
(Encyclopedia)progressivism, in U.S. history, a broadly based reform movement that reached its height early in the 20th cent. In the decades following the Civil War rapid industrialization transformed the United St...psychopharmacology
(Encyclopedia)psychopharmacology sīˌkōfärˌməkŏlˈəjē [key], in its broadest sense, the study of all pharmacological agents that affect mental and emotional functions. The term is usually applied more speci...Rio de Janeiro, city, Brazil
(Encyclopedia)Rio de Janeiro rēˈō də zhänāˈrō, Port. rēˈo͝o ᵺĭ zhənĕēˈro͝o [key] [Port.,=river of January], city (1990 pop. 5,533,011; 1995 metropolitan area est. pop. 10,181,000), capital of Rio...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 +-
