Columbia Encyclopedia

Search results

500 results found

Thorvaldsen, Albert Bertel

(Encyclopedia)Thorvaldsen or Thorwaldsen, Albert Bertel both: älˈbĕrt bĕrˈtəl tôrˈvälsən [key], 1770–1844, Danish sculptor, b. Copenhagen. In 1797 he went to Rome, where he shared with Canova the leader...

geologic timescale

(Encyclopedia)CE5 geologic timescale, a chronological scale of earth's history used to measure the relative or absolute age of any part of geologic time. Of the numerous timescales, the most common is based on g...

isopleth

(Encyclopedia)isopleth īˈsəplĕthˌ [key], line drawn on a map through all points of equal value of some measurable quantity. In many meteorologic, oceanographic, or geologic studies some physical or chemical pr...

erosion

(Encyclopedia)erosion ĭrōˈzhən [key], general term for the processes by which the surface of the earth is constantly being worn away. The principal agents are gravity, running water, near-shore waves, ice (most...

Capitoline Hill

(Encyclopedia)Capitoline Hill kăpˈĭtəlīnˌ [key] or Capitol, highest of the seven hills of ancient Rome, historic and religious center of the city. The great temple of Jupiter Capitolinus, on its southern summ...

geology

(Encyclopedia)geology, science of the earth's history, composition, and structure, and the associated processes. It draws upon chemistry, biology, physics, astronomy, and mathematics (notably statistics) for suppor...

Tompkins, Douglas Rainsford

(Encyclopedia)Tompkins, Douglas Rainsford, 1943–2015, American business executive, conservationist, and philanthropist, b. Conneaut, Ohio. In 1964, he and his first wife, Susie Tompkins Buell, founded The North F...

Rockefeller Center

(Encyclopedia)Rockefeller Center, complex of buildings in central Manhattan, New York City, between 48th and 51st streets and Fifth Ave. and the Ave. of the Americas (Sixth Ave.). The project was sponsored by John ...

Manson, Charles Milles

(Encyclopedia)Manson, Charles Milles, 1934–2017, American criminal and cult leader, b. Cincinnati, Ohio, as Charles Milles Maddox. As a youth Manson began a life of crime, mainly burglaries, thefts, and robberies...

Browse by Subject