(Encyclopedia) ligninligninlĭgˈnĭn [key], a highly polymerized and complex chemical compound especially common in woody plants. The cellulose walls of the wood become impregnated with lignin, a…
(Encyclopedia) sintering, process of forming objects from a metal powder by heating the powder at a temperature below its melting point. In the production of small metal objects it is often not…
Born: 1896Birthplace: Burlington, Iowa Diamine-dicarboxylic acid salts and process of preparing same and synthetic fiber—Carothers work involved the theory of linear polymerization which culminated…
Born: 1886Birthplace: Nellore, India Synthesis of vitamin B1—Williams isolated thiamine in crystalline form and synthesized vitamin B1. He was instrumental in achieving enrichment of flour,…
publisherBorn: 1919Birthplace: Brooklyn, N.Y. After graduating from Princeton University in 1941, he began working in the family's magazine founded by his father. The business had faltered by the…
(Encyclopedia) Ferguson, Patrick, 1744–80, British army officer in the American Revolution. He invented an early breech-loading rifle in 1776. Ferguson fought at Brandywine and Charleston before he…
(Encyclopedia) Mill Springs, village, on the Cumberland River, S of Frankfort, SE Ky.; site of the opening battle of the Kentucky-Tennessee campaign of the Civil War and the first important Union…
(Encyclopedia) Belle-AllianceBelle-Alliancebelˈ-älyäNsˈ [key], village, central Belgium, near Waterloo. The battle of Waterloo (see Waterloo campaign), where Napoleon I was defeated in June, 1815, is…
Pet FAQs
What You Should Know About Adopting
Are dogs and cats in shelters healthy and well-adjusted?
Most shelters screen animals for serious health and behavior problems. Even with the best-…
(Encyclopedia) Edwards, John Reid (Johnny Reid Edwards), 1953–, U.S. politician, b. Seneca, S.C., grad. North Carolina State Univ. (B.A., 1974), Univ. of North Carolina (J.D., 1977). The son of a…