Columbia Encyclopedia
Search results
500 results found
microscope
(Encyclopedia)CE5 Compound microscope microscope, optical instrument used to increase the apparent size of an object. The electron microscope, which is not limited by the powers of optical lenses and light,...mitosis
(Encyclopedia)CE5 Mitosis in a body cell of an animal mitosis mītōˈsĭs, mĭ– [key], process of nuclear division in a living cell by which the carriers of hereditary information, or the chromosomes, are ex...mustard
(Encyclopedia)CE5 Black mustard, Brassica nigra mustard, common name for the Cruciferae, or Brassicaceae, a large family chiefly of herbs of north temperate regions. The easily distinguished flowers of the Cruc...acupuncture
(Encyclopedia)CE5 Acupuncture points for treating diseases of the large intestine. acupuncture ăkˈyo͝opŭngˌchər [key], technique of traditional Chinese medicine, in which a number of very fine metal needl...San Marino, country, Europe
(Encyclopedia)CE5 San Marino sän märēˈnō [key], officially Republic of San Marino, republic (2015 est. pop. 33,000), 24 sq mi (62 sq km), in the Apennines near the Adriatic Sea, SW of Rimini, N central Ital...refrigeration
(Encyclopedia)CE5 Compression system of refrigeration refrigeration, process for drawing heat from substances to lower their temperature, often for purposes of preservation. Refrigeration in its modern, portabl...Seychelles
(Encyclopedia)CE5 Seychelles sāshĕlzˈ [key], officially Republic of Seychelles, republic (2015 est. pop. 94,000), c.110 sq mi (285 sq km), comprising approximately 100 islands in the Indian Ocean, c.600 mi (9...cross
(Encyclopedia)CE5 Types of crosses cross, widely used symbol. In various forms, it can be found in such diverse cultures as those of ancient India, Egypt, and pre-Columbian North America. It also is found in th...cloud
(Encyclopedia)CE5 Approximate heights of some types of clouds cloud, aggregation of minute particles of water or ice suspended in the air. Cloudiness (or proportion of the sky covered by any form of cloud),...equatorial coordinate system
(Encyclopedia)CE5 Equatorial coordinate system equatorial coordinate system, the most commonly used astronomical coordinate system for indicating the positions of stars or other celestial objects on the celesti...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 +-
