Columbia Encyclopedia

(Encyclopedia) Balkan Peninsula, southeasternmost peninsula of Europe, c.200,000 sq mi (518,000 sq km), bounded by the Black Sea, Sea of Marmara, Aegean Sea, Mediterranean Sea, Ionian Sea, and Adriatic Sea. Although...

(Encyclopedia) Tiahuanaco tyäwänäˈkō [key], ancient native ruin, W Bolivia, 34 mi (55 km) S of Lake Titicaca on the Tiahuanaco R. in the S central Andes, near the Peruvian border; also called Tiwanaku or Tiahua...

(Encyclopedia) Tlingit tlĭngˈgĭt [key], group of related Native North American tribes, speaking a language that forms a branch of the Nadene linguistic stock (see Native American languages). The 14 divisions of t...

(Encyclopedia) rhenium rēˈnēəm [key], metallic chemical element; symbol Re; at. no. 75; at. wt. 186.207; m.p. about 3,180℃; b.p. about 5,625℃; sp. gr. 21.02 at 20℃; valence −1, +2, +3, +4, +5, +6, or +7....

(Encyclopedia) ruthenium ro͞othēˈnēəm [key], metallic chemical element; symbol Ru; at. no. 44; at. wt. 101.07; m.p. about 2,310℃; b.p. about 3,900℃; sp. gr. 12.41 at 20℃; valence commonly +2, +3, +4, +6, ...

(Encyclopedia) Guizhou or Kweichow both: gwāˈjōˈ [key], province, c.66,000 sq mi (170,940 sq km), SW China. Guiyang is the capit...

(Encyclopedia) fungicide fŭnˈjəsīdˌ, fŭngˈgə– [key], any substance used to destroy fungi. Some fungi are extremely damaging to crops (see diseases of plants), and others cause diseases in humans and other ...

(Encyclopedia) mineral, dietary, any of a group of inorganic elements that are essential to humans and animals for normal body function. In nutrition, minerals are those elements for which the body's requirement is ...

(Encyclopedia) Bachelet, Michele (Verónica Michele Bachelet Jeria) bĕōnˈēka mēchĕlˈ bächĕlĕtˈ herˈēä [key], 1951–, Chilean political leader and government official, president of Chile (2006–10, 20...

(Encyclopedia) British Library, national library of Great Britain, located in London; one of the world's great libraries. Long a part of the British Museum, the library collection originated in 1753 when the governm...