Columbia Encyclopedia

Search results

146 results found

tourmaline

(Encyclopedia)tourmaline to͝orˈməlĭn, –lēn [key], complex borosilicate mineral with varying amounts of aluminum, iron, magnesium, sodium, lithium, potassium, and sometimes other elements, used as a gem. It o...

South India, Church of

(Encyclopedia)South India, Church of, Indian Protestant church, formed in 1947 by the merger of Anglican dioceses in India, Myanmar, and Ceylon (Sri Lanka); the Methodist Church of South India; and the South India ...

corundum

(Encyclopedia)corundum kərŭnˈdəm [key], mineral, aluminum oxide, Al2O3. The clear varieties are used as gems and the opaque as abrasive materials. Corundum occurs in crystals of the hexagonal system and in mass...

Chola

(Encyclopedia)Chola chōˈlə [key], S Indian dynasty, whose kingdom was in what is now Tamil Nadu. Its chief capitals were at Kanchi (Kanchipuram) and Thanjavur (Tanjore). The Chola kingdom was one of the three of...

gavial

(Encyclopedia)gavial gāˈvēəl [key], large reptile of the crocodile order, found in rivers from Pakistan to Myanmar. Also called gharial, the gavial (Gavialis gangeticus) is distinguished from the crocodiles and...

Arunachal Pradesh

(Encyclopedia)Arunachal Pradesh ärˌənächəl prədĕshˈ [key], state (2001 provisional pop. 1,091,117), 31,438 sq mi (81,424 sq km), NE India, bordered on the north by the Tibet region of China and on the east ...

Dalhousie, James Andrew Broun Ramsay, 1st marquess of

(Encyclopedia)Dalhousie, James Andrew Broun Ramsay, 1st marquess of dălho͞oˈzē, –houˈ– [key], 1812–60, British statesman. After serving as president of the Board of Trade (1845–47) he was governor-gene...

Chiang Mai

(Encyclopedia)Chiang Mai jyĕngˈ– [key], city, capital of Chiang Mai prov., N Thailand, on the Ping River, ...

Ch'ien-lung

(Encyclopedia)Ch'ien-lung chyĕnˈ-lo͞ongˈ [key], 1711–99, reign title of the fourth emperor (1735–96) of the Ch'ing dynasty, whose given name was Hung-li. Under his vigorous military policy, China attained i...

jade

(Encyclopedia)jade, common name for either of two minerals used as gems. The rarer variety of jade is jadeite, a sodium aluminum silicate, NaAl(SiO3)2, usually white or green in color; the green variety is the more...