Columbia Encyclopedia

Search results

500 results found

erg

(Encyclopedia)erg ûrg [key], unit of work or energy in the cgs system of units, which is based on the metric system; it is the work done or energy expended by a force of 1 dyne acting through a distance of 1 centi...

Maryland, University of

(Encyclopedia)Maryland, University of, at College Park; coeducational; land-grant and state supported; chartered 1856 and opened 1859 as Maryland Agricultural College, renamed Maryland State College 1916, consolida...

Kunlun

(Encyclopedia)Kunlun ko͝onˈlo͝onˈ [key], great mountain system of central Asia, between the Himalayas and the Tian Shan, extending c.1,000 mi (1,610 km) E from the Pamir Mts., along the Tibet-Xinjiang border in...

local government

(Encyclopedia)local government, political administration of the smallest subdivisions of a country's territory and population. The British system of local government, which has been the model for most of that cou...

Mars, in astronomy

(Encyclopedia)Mars, in astronomy, 4th planet from the sun, with an orbit next in order beyond that of the earth. Mars has two natural satellites, discovered by Asaph Hall in 1877. The innermost of these, Phobos...

tuning systems

(Encyclopedia)tuning systems, methods for assigning pitches to the twelve Western pitch names that constitute the octave. The term usually refers to this procedure in the tuning of keyboard instruments. The need fo...

zemstvo

(Encyclopedia)zemstvo zĕmstˈvō [key] [Rus., from zemlya=land], local assembly that functioned as a body of provincial self-government in Russia from 1864 to 1917. The introduction of the zemstvo system was one o...

cellular telephone

(Encyclopedia)cellular telephone or cellular radio, telecommunications system in which a portable or mobile radio transmitter and receiver, or “cellphone,” is linked via microwave radio frequencies to base tran...

meteorology

(Encyclopedia)meteorology, branch of science that deals with the atmosphere of a planet, particularly that of the earth, the most important application of which is the analysis and prediction of weather. Individual...

universe

(Encyclopedia)universe, totality of matter and energy in existence. The study of the origin of the universe, or cosmos, is known as cosmogony, and that of its structure and evolution, cosmology. The age of the univ...