Columbia Encyclopedia

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Precambrian

(Encyclopedia)Precambrian, name of a major division of geologic time (see Geologic Timescale, tablegeologic timescale, table), from c.5 billion to 570 million years ago. It is now usually divided into the Archean a...

rapid transit

(Encyclopedia)rapid transit, transportation system designed to allow passenger travel within or throughout an urban area, usually employing surface, elevated, or underground railway systems or some combination of t...

Colorado, rivers, United States and Mexico

(Encyclopedia)Colorado [1] kŏlərădˈə, –rădˈō, –räˈdō [2] kŏlərāˈdə, –räˈdə [key]. 1 Great river of the SW United States, 1,450 mi (2,334 km) long, rising in the Rocky Mts. of N Colo., and f...

Svalbard

(Encyclopedia)Svalbard svälˈbärd [key], archipelago (23,958 sq mi/62,051 sq km), island group (2015 est. pop. 2,700), possession of Norway, located in the Arctic Ocean, c.400 mi (640 km) N of the Norwegian mainl...

Delhi

(Encyclopedia)Delhi dĕlˈē [key], union territory and city, N central India. The union territory, officia...

Tuscany

(Encyclopedia)Tuscany tŭsˈkənē [key], Ital. Toscana, region (1991 pop. 3,538,619), 8,876 sq mi (22,989 sq km), N central Italy, bordering on the Tyrrhenian Sea in the west and including the Tuscan Archipelago. ...

Chinese architecture

(Encyclopedia)Chinese architecture, the buildings and other structures created in China from prehistoric times to the present day. Since the late 19th cent. the Chinese have adopted European architectural styles....

forgery, in art

(Encyclopedia)forgery, in art, the false claim to authenticity for a work of art. A forger often unconsciously produces a confusion of styles or subtly accents elements reflecting contemporary bias. A major examp...

temple, edifice of worship

(Encyclopedia)temple, edifice or sometimes merely an enclosed area dedicated to the worship of a deity and the enshrinement of holy objects connected with such worship. The temple has been employed in most of the w...

Saint Petersburg, city, Russia

(Encyclopedia)Saint Petersburg, formerly Leningrad, Rus. Sankt-Peterburg, city (1990 est. pop. 5,036,000), capital of the Leningrad region (although not administratively part of it) and the administrative center of...