Columbia Encyclopedia

Search results

292 results found

Sardinia

(Encyclopedia)Sardinia särdĭnˈēə [key], Ital. Sardegna, region (1991 pop. 1,648,248), 9,302 sq mi (24,092 sq km), W Italy, mostly on the Mediterranean island of Sardinia, which is separated in the north from C...

Sichuan

(Encyclopedia)Sichuan or Szechwan sŭˈchwänˈ [key] [four rivers], province (2010 pop. 80,418,200), c.220,000 sq mi (569,800 sq km), SW China. The capital is Chengdu. A naturally isolated region surrounded by mou...

Hadid, Dame Zaha

(Encyclopedia)Hadid, Dame Zaha, 1950–2016, British architect, b. Baghdad, studied American Univ., Beirut (1968–71), Architectural Association School, London (grad. 1977). A partner in Rem Koolhaas's Office for ...

manganese

(Encyclopedia)manganese măngˈgənēs, mănˈ– [key] [Lat.,=magnet], metallic chemical element; symbol Mn; at. no. 25; at. wt. 54.93805; m.p. about 1,244℃; b.p. about 1,962℃; sp. gr. 7.2 to 7.45, depending o...

Trentino–Alto Adige

(Encyclopedia)Trentino–Alto Adige trāntēˈnō-älˈtō äˈdējā [key], region (1991 est. pop. 890,360), 5,256 sq mi (13,613 sq km), N Italy, bordering on Switzerland in the northwest and on Austria in the nor...

Basque Country

(Encyclopedia)Basque Country băsk, bäsk [key], Basque Euzkadi, Span. País Vasco, autonomous communit...

radium

(Encyclopedia)radium rāˈdēəm [key] [Lat. radius=ray], radioactive metallic chemical element; symbol Ra; at. no. 88; mass number of most stable isotope 226; m.p. 700℃; b.p. 1,140℃; sp. gr. about 6.0; valence...

roof

(Encyclopedia)roof, overhead covering of a building with its framework support. Various methods of construction, such as are suited to different climates, have diversified exterior and interior architectural effect...

silver

(Encyclopedia)silver, metallic chemical element; symbol Ag [Lat. argentum]; at. no. 47; at. wt. 107.8682; m.p. 961.93℃; b.p. 2,212℃; sp. gr. 10.5 at 20℃; valence +1 or +2. Pure silver is nearly white, lustrou...

metal

(Encyclopedia)metal, chemical element displaying certain properties by which it is normally distinguished from a nonmetal, notably its metallic luster, the capacity to lose electrons and form a positive ion, and th...