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pi

(Encyclopedia)pi, in mathematics, the ratio of the circumference of a circle to its diameter. The symbol for pi is π. The ratio is the same for all circles and is approximately 3.1416. It is of great importance in...

Haushofer, Karl

(Encyclopedia)Haushofer, Karl kärl housˈhōfər [key], 1869–1946, German geographer, theorist of Nazi geopolitics, including the doctrines that the state is a living organism and that race and territory are lin...

naturalism, in philosophy

(Encyclopedia)naturalism, in philosophy, a position that attempts to explain all phenomena and account for all values by means of strictly natural (as opposed to supernatural) categories. The particular meaning of ...

kindergarten

(Encyclopedia)kindergarten [Ger.,=garden of children], system of preschool education. Friedrich Froebel designed (1837) the kindergarten to provide an educational situation less formal than that of the elementary s...

Pasolini, Pier Paolo

(Encyclopedia)Pasolini, Pier Paolo pyĕr päˈōlō päsōlēˈnē [key], 1922–75, Italian writer and film director. A former Roman Catholic and a Marxist, Pasolini brought to his work a combination of religious ...

will, in philosophy and psychology

(Encyclopedia)will, in philosophy and psychology, term used to describe that which is alleged to stimulate the motivation of purposeful activity. It is characteristic of the will that it can be observed only in one...

Bülow, Bernhard Heinrich Martin, Fürst von

(Encyclopedia)Bülow, Bernhard Heinrich Martin, Fürst von bĕrnˈhärt hīnˈrĭkh märˈtĭn fŭrst fən büˈlō [key], 1849–1929, German chancellor. He held many diplomatic posts before he became, through the...

Handel, George Frideric

(Encyclopedia)Handel, George Frideric hănˈdəl [key], 1685–1759, English composer, b. Halle, Germany. Handel was one of the greatest masters of baroque music, most widely celebrated for his majestic oratorio Me...

counterpoint

(Encyclopedia)counterpoint, in music, the art of combining melodies each of which is independent though forming part of a homogeneous texture. The term derives from the Latin for “point against point,” meaning ...

Old Catholics

(Encyclopedia)Old Catholics, Christian denomination established by German Catholics who separated themselves from the Roman Catholic Church when they rejected (1870) the decrees of the First Vatican Council, especi...