Columbia Encyclopedia

Search results

66 results found

soap plant

(Encyclopedia)soap plant, any of various plants having cleansing properties. A few are of commercial importance, but most soap plants are used locally, as in early times, for toilet and laundry purposes. The soapba...

mountain climbing

(Encyclopedia)mountain climbing, the practice of climbing to elevated points for sport, pleasure, or research. Also called mountaineering, it is practiced throughout the world. Many mountain climbing clubs have...

Sikkim

(Encyclopedia)CE5 Sikkim sĭkˈĭm [key], state (2001 provisional pop. 540,493), 2,745 sq mi (7,110 sq km), India. It is located in the E Himalayas and bordered by Nepal (W), by the Tibet region of China (N), by...

Tertiary period

(Encyclopedia)Tertiary period tûrˈshēĕrˌē [key], name for the major portion of the Cenozoic era, the most recent of the geologic eras (see Geologic Timescale, tablegeologic timescale, table) from around 26 to...

Triassic period

(Encyclopedia)Triassic period trīăsˈĭk [key], first period of the Mesozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) from 205 to 250 million years ago. Throughout the Triassi...

bear, in zoology

(Encyclopedia)bear, large mammal of the family Ursidae in the order Carnivora, found almost exclusively in the Northern Hemisphere. Bears have large heads, bulky bodies, massive hindquarters, short, powerful limbs,...

Tibet

(Encyclopedia)Tibet tĭbĕtˈ [key], Tibetan Bodyul, Mandarin Xizang, autonomous region (2010 pop. 3,002,166), c.471,700 sq mi (1,221,700 sq km), SW China. A Chinese autonomous region since 1951, Tibet is bordered ...

Pleistocene epoch

(Encyclopedia)Pleistocene epoch plīˈstəsēn [key], 6th epoch of the Cenozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table). According to a classification that considered its depos...

mountain

(Encyclopedia)mountain, high land mass projecting conspicuously above its surroundings and usually of limited width at its summit. Although isolated mountains are not unusual, mountains commonly form ranges, compri...

pine

(Encyclopedia)pine, common name for members of the Pinaceae, a family of resinous woody trees with needlelike, usually evergreen leaves. The Pinaceae reproduce by means of cones (see cone) rather than flowers and m...

Browse by Subject