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PET scan

(Encyclopedia)PET scan pŏzˈĭtrŏnˌ ĭmĭshˈən təmŏgˈrəfē [key], a medical imaging technique that monitors metabolic, or biochemical, activity in the brain and other organs by tracking the movement and co...

Wolf, Hugo

(Encyclopedia)Wolf, Hugo vôlf [key], 1860–1903, Austrian composer; studied at the Vienna Conservatory. From 1883 to 1887 he wrote musical criticism for the Vienna Salonblatt. As a composer he first gained atten...

Brisbane, Albert

(Encyclopedia)Brisbane, Albert brĭzˈbān [key], 1809–90, American social theorist, b. Batavia, N.Y. After studying with Charles Fourier in Paris, he returned to the United States as an enthusiastic advocate of ...

Moorish art and architecture

(Encyclopedia)Moorish art and architecture, branch of Islamic art and architecture developed in the westernmost lands of the Muslims, known as the Maghreb: N Africa and Spain. The Great Mosque at Al Qayrawan in Tun...

Johnson, Samuel, English author

(Encyclopedia)Johnson, Samuel, 1709–84, English author, b. Lichfield. The leading literary scholar and critic of his time, Johnson helped to shape and define the Augustan Age. He was equally celebrated for his br...

national bank

(Encyclopedia)national bank, in the United States, financial institution of a class authorized by Congress in acts of 1863 and 1864. The acts were intended to provide a way of marketing the large bond issues made n...

Haggai

(Encyclopedia)Haggai hăgˈāī [key], prophetic book of the Bible. Dated 520 b.c., it is a collection of five oracles addressed to Jews, newly returned from the Babylonian exile. The prophet summons the people to ...

Nehemiah, book of the Bible

(Encyclopedia)Nehemiah, originally combined with Ezra to form a single book in the Hebrew canon. In the Septuagint, Ezra and Nehemiah are combined as Second Esdras. The book narrates the return to Jerusalem of Nehe...

Weil, Simone

(Encyclopedia)Weil, Simone sēmônˈ vīl [key], 1909–43, French philosopher and mystic. After receiving her baccalauréat with honors at 15, she studied philosophy for four years, then entered (1928) the prestig...

Menninger, Karl Augustus

(Encyclopedia)Menninger, Karl Augustus mĕnˈĭngər [key], 1893–1990, and William Claire Menninger, 1899–1966, American psychiatrists, brothers, b. Topeka, Kans. The Menninger Clinic, conceived with the idea o...