Columbia Encyclopedia

Search results

500 results found

De Valera, Eamon

(Encyclopedia)De Valera, Eamon āˈmən dĕ vəlârˈə [key], 1882–1975, Irish statesman, b. New York City. He was taken as a child to Ireland. As a young man he joined the movement advocating physical force to ...

da Silva, Luiz Inácio

(Encyclopedia)da Silva, Luiz Inácio lo͞oēshˈ ēnäsˈyo͞o dä sēlˈvə [key], 1945–, Brazilian labor leader and politician, known as Lula, b. Vargem Grande (now Caetés), Pernambuco. Born into a poor family...

circumcision

(Encyclopedia)circumcision sûrˌkəmsĭzhˈən [key], operation to remove the foreskin covering the glans of the penis. It dates back to prehistoric times and was widespread throughout the Middle East as a religio...

embryo screening

(Encyclopedia)embryo screening, procedure (see genetic testing) in which a single cell is removed from an embryo two or three days after it has been conceived through in vitro fertilization and tested for genetic a...

Rogers, Robert

(Encyclopedia)Rogers, Robert, 1731–95, American frontiersman, b. Methuen, Mass. As a child he moved with his family to the New Hampshire frontier. In King George's War (1744–48) he served briefly as a scout. In...

Ngugi wa Thiong'o

(Encyclopedia)Ngugi wa Thiong'o ĕngo͞oˈgē wä tē-ŏngˈgō [key] or James Ngugi, 1938–, Kenyan writer, acclaimed as East Africa's foremost novelist. He studied at universities in Uganda and England. His firs...

ordeal

(Encyclopedia)ordeal, ancient legal custom whereby an accused person was required to perform a test, the outcome of which decided the person's guilt or innocence. By an ordeal, appeal was made to divine authority t...

Straus

(Encyclopedia)Straus strous [key], family of American merchants, public officials, and philanthropists. Isidor Straus, 1845–1912, b. Rhenish Bavaria, emigrated (1854) with his brothers to the United States in ord...

abortion

(Encyclopedia)abortion, expulsion of the products of conception before the embryo or fetus is viable. Any interruption of human pregnancy prior to the 28th week is known as abortion. The term spontaneous abortion, ...

migrant labor

(Encyclopedia)migrant labor, term applied in the United States to laborers who travel from place to place harvesting crops that must be picked as soon as they ripen. Although migrant labor patterns exist in other p...