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Open Door

(Encyclopedia)Open Door, maintenance in a certain territory of equal commercial and industrial rights for the nationals of all countries. As a specific policy, it was first advanced by the United States, but it was...

Donne, John

(Encyclopedia)Donne, John dŭn, dŏn [key], 1572–1631, English poet and divine. He is considered the greatest of the metaphysical poets. All of Donne's verse—his love sonnets and his religious and philosophic...

New Thought

(Encyclopedia)New Thought, popular philosophical movement with religious implications; it affirms “the creative power of constructive thinking.” A successor of New England transcendentalism, New Thought grew ou...

medal

(Encyclopedia)medal, a piece of metal, cast or struck, often coin-shaped. The obverse and reverse bear bas-relief and inscription. Commemorative medals are issued in memory of a notable person or event. Civil and m...

association

(Encyclopedia)association, in psychology, a connection between different sensations, feelings, or ideas by virtue of their previous occurrence together in experience. The concept of association entered contemporary...

Malthus, Thomas Robert

(Encyclopedia)Malthus, Thomas Robert mălˈthəs [key], 1766–1834, English economist, sociologist, and pioneer in modern population study. A graduate of Cambridge, he was a professor at the East India College, Lo...

Rao, Raja

(Encyclopedia)Rao, Raja rou [key], 1909–2006, Indian novelist, b. Hassan, Mysore (now Karnataka), as Raja. Rao took his surname as an adult, and was educated in India and France and for many years divided his ti...

sextant

(Encyclopedia)CE5 Sextant sextant, instrument for measuring the altitude of the sun or another celestial body; such measurements can then be used to determine the observer's geographical position or for other n...

Fermat, Pierre de

(Encyclopedia)Fermat, Pierre de pyĕr də fĕrmäˈ [key], 1601–65, French mathematician. A magistrate whose avocation was mathematics, Fermat is known as a founder of modern number theory and probability theory....

fertilization

(Encyclopedia)CE5 Fertilization of an egg cell fertilization, in biology, process in the reproduction of both plants and animals, involving the union of two unlike sex cells (gametes), the sperm and the ovum, f...