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Montaigne, Michel Eyquem, seigneur de

(Encyclopedia)Montaigne, Michel Eyquem, seigneur de mŏntānˈ, Fr. mēshĕlˈ ākĕmˈ sānyörˈ də môNtĕnˈyə [key], 1533–92, French essayist. Montaigne was one of the greatest masters of the essay as a li...

affirmative action

(Encyclopedia)affirmative action, in the United States, programs to overcome the effects of past societal discrimination by allocating jobs and resources to members of specific groups, such as minorities and women....

Rockefeller Foundation

(Encyclopedia)Rockefeller Foundation, philanthropic institution established (1913) by John D. Rockefeller, Sr., to promote “the well-being of mankind throughout the world.” During its first 14 years the foundat...

tracer

(Encyclopedia)tracer, an identifiable substance used to follow the course of a physical, chemical, or biological process. In chemistry the ideal tracer has the same chemical properties as the molecule it replaces a...

parent and child

(Encyclopedia)parent and child, legal relationship, created by biological (birth) relationship or by adoption, that confers certain rights and duties on parent and child; in some states the courts have given the no...

zoology

(Encyclopedia)zoology, branch of biology concerned with the study of animal life. From earliest times animals have been vitally important to man; cave art demonstrates the practical and mystical significance animal...

Dred Scott Case

(Encyclopedia)Dred Scott Case, argued before the U.S. Supreme Court in 1856–57. It involved the then bitterly contested issue of the status of slavery in the federal territories. In 1834, Dred Scott, a black slav...

solid-state physics

(Encyclopedia)solid-state physics, study of the properties of bulk matter rather than those of the individual particles that compose it. Solid-state physics is concerned with the properties exhibited by atoms and m...

Webster, Noah

(Encyclopedia)Webster, Noah, 1758–1843, American lexicographer and philologist, b. West Hartford, Conn., grad. Yale, 1778. After serving in the American Revolution, Webster practiced law in Hartford. His Grammati...

life

(Encyclopedia)life, although there is no universal agreement as to a definition of life, its biological manifestations are generally considered to be organization, metabolism, growth, irritability, adaptation, and ...