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fire clay

(Encyclopedia)fire clay, clay that has a high degree of resistance to heat. By the best standards it should have a fusion point higher than 1,600℃. The term “fire clay” is commonly held to exclude kaolin and ...

identity theft

(Encyclopedia)identity theft, the use of one person's personal information by another to commit fraud or other crimes. The most common forms of identity theft occur when someone obtains another person's social secu...

Hagar

(Encyclopedia)Hagar āˈgər [key], according to the Book of Genesis, servant of Abraham's wife Sarah and mother of his eldest son, Ishmael. She and her son were sent out into the wilderness because of Sarah's jeal...

molecular modeling

(Encyclopedia)molecular modeling, the computer simulation, by various means, of chemical structures or processes. Special computer-graphics programs can display three-dimensional images of molecular structures and ...

Mann, Sally

(Encyclopedia)Mann, Sally, 1951–, American photographer, b. Lexington, Va., as Sally Munger, studied Bennington College, Hollins College (B.A. 1974, M.A. 1975). Interested in older photographic techniques, Mann u...

Kerr, Clark

(Encyclopedia)Kerr, Clark kûr, kär [key], 1911–2003, American educational reformer, b. Reading, Pa., grad. Swarthmore College (B.A., 1932) and the Univ. of California at Berkeley (Ph.D., 1939). He was a profess...

Khachaturian, Aram Ilich

(Encyclopedia)Khachaturian, Aram Ilich ərämˈ ĭlyēchˈ khäˌchəto͞oryänˈ [key], 1903–78, Russian composer of Armenian parentage, b. Tiflis (now Tbilisi). Khachaturian moved to Moscow in the early 1920s a...

Lithuanian

(Encyclopedia)Lithuanian lĭthˌo͞oāˈnēən [key], a language belonging to the Baltic subfamily of the Indo-European family of languages (see Baltic languages). The official language of Lithuania since 1918, Lit...

Volunteers of America

(Encyclopedia)Volunteers of America, national nondenominational organization providing a wide variety of human services as part of a Christian ministry of service. Founded (1896) by Ballington and Maud Booth (see B...

brocade

(Encyclopedia)brocade brōkādˈ [key], fabric, originally silk, generally reputed to have been developed to a high state of perfection in the 16th and 17th cent. in France, Italy, and Spain. In China the weaving o...