Columbia Encyclopedia

Search results

500 results found

Aberdeen, city, Scotland

(Encyclopedia)Aberdeen, city (2020 pop. 229,060) and council area, NE Scotland, on the North Sea at the mouth of the Dee River. It is Scotland's third largest city in population. Aberdeen is the financi...

rock garden

(Encyclopedia)rock garden, garden planned around natural rock formations or rocks artificially arranged to simulate natural (often mountainous) conditions. The concept of rock gardens is believed to have been intro...

Senkaku Islands

(Encyclopedia)Senkaku Islands sĕnˈkäko͞o [key], small, uninhabited island group, 8 sq mi (20.7 sq km), Okinawa prefecture, extreme SW Japan, in the East China Sea. Located 90 mi (45 km) NNW of Ishigaki in the R...

Shorthorn cattle

(Encyclopedia)Shorthorn cattle, breed of beef cattle developed from the native cattle of the Tees valley in NE England; formerly called Durham cattle. Systematic breeding of Shorthorns began in the latter part of t...

Ponselle, Rosa

(Encyclopedia)Ponselle, Rosa pŏnzĕlˈ [key], 1897–1981, American operatic soprano, b. Meriden, Conn. First appearing in vaudeville, she made her debut (1918) at the Metropolitan Opera in Verdi's La forza del de...

Roscommon, county, Republic of Ireland

(Encyclopedia)Roscommon rŏskŏmˈən [key], county (1991 pop. 51,876), 951 sq mi (2,463 sq km), central Republic of Ireland. The county seat is Roscommon. A part of the central plain of Ireland, the region is low-...

Tijuana

(Encyclopedia)Tijuana tēhwäˈnä [key], city (1990 pop. 698,752), Baja California state, NW Mexico, just south of the U.S. border. It is a gaudy border resort, noted for its racetracks and bullfights. An irrigate...

trichomoniasis

(Encyclopedia)trichomoniasis trĭkˌəmənīˈəsĭs [key], sexually transmitted disease caused by the parasitic protozoan Trichomonas vaginalis. In women, it can cause urinary tract infection and a painful, malodo...

thermography

(Encyclopedia)thermography thûrˌmŏgˈrəfē [key], contact photocopying process that produces a direct positive image and in which infrared rays are used to expose the copy paper. In a specially designed machine...

radiation weapon

(Encyclopedia)radiation weapon or radiological weapon, a bomb or warhead that uses conventional chemical explosives to disperse radioactive material, sometimes called a “dirty bomb.” Designed to produce radiati...

Browse by Subject