Columbia Encyclopedia
Search results
500 results found
porcupine, in zoology
(Encyclopedia)porcupine, member of either of two rodent families, characterized by having some of its hairs modified as bristles, spines, or quills. The quills are loosely attached to the porcupines' skin and pull ...ounce, in zoology
(Encyclopedia)ounce, in zoology: see leopard.Orion, in astronomy
(Encyclopedia)Orion, in astronomy, constellation located on the celestial equator. It is one of the most conspicuous and easily recognizable constellations in the entire sky. From ancient times it has been mentione...ornament, in architecture
(Encyclopedia)ornament, in architecture, decorative detail enhancing structures. Structural ornament, an integral part of the framework, includes the shaping and placement of the buttress, cornice, molding, ceiling...ornament, in music
(Encyclopedia)ornament, in music, notes added to a melodic line for the purpose of embellishment or decoration, often called graces. Ornamentation was practiced as early as the Middle Ages by the singers of plainso...Pegasus, in astronomy
(Encyclopedia)Pegasus pĕgˈəsəs [key], in astronomy, northern constellation lying SW of Andromeda and SE of Cygnus. It is named for the mythological winged horse Pegasus. The constellation is easily recognized b...periwinkle, in botany
(Encyclopedia)periwinkle, in botany: see dogbane. ...periwinkle, in zoology
(Encyclopedia)periwinkle, any of a group of marine gastropod mollusks having conical, spiral shells. Periwinkles feed on algae and seaweed. They are found at the water's edge; out of water, they resist drying by cl...Perseus, in astronomy
(Encyclopedia)Perseus, in astronomy, northern constellation lying E of Cassiopeia and N of Taurus. It contains the bright star Mirfak (Alpha Persei) and Algol (Beta Persei), a visible variable star of the type know...orange, in botany
(Encyclopedia)orange, name for a tree of the family Rutaceae (rue, or orange, family), native to China and Indochina, and for its fruit, the most important fresh fruit of international commerce. Its physical charac...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 +-
