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Piero della Francesca

(Encyclopedia)Piero della Francesca pyĕˈrō dĕlˈlä fränchāsˈkä [key], c.1420–1492, major Italian Renaissance painter, b. Borgo San Sepolcro (modern Sansepolcro). All his masterpieces were created in town...

Servetus, Michael

(Encyclopedia)Servetus, Michael sərvēˈtəs [key], 1511–53, Spanish theologian and physician. His name in Spanish was Miguel Serveto. In his early years he came in contact with some of the leading reformers in ...

Chinese Dynasties (table)

(Encyclopedia)Chinese Dynasties

dialect

(Encyclopedia)dialect, variety of a language used by a group of speakers within a particular speech community. Every individual speaks a variety of his language, termed an idiolect. Dialects are groups of idiolects...

coronavirus

(Encyclopedia)coronavirus, any of a group (family Coronaviridae, subfamily Orthocoronavirinae) of enveloped single-stranded RNA viruses that have a crownlike or sunlike appearance under an electron microscope due t...

entropy

(Encyclopedia)entropy ĕnˈtrəpē [key], quantity specifying the amount of disorder or randomness in a system bearing energy or information. Originally defined in thermodynamics in terms of heat and temperature, e...

Harijans

(Encyclopedia)Harijans hârˈĭjănzˌ [key] [children of God], in India, individuals who are at the bottom of or outside the Hindu caste system. They were traditionally sweepers, washers of clothes, leatherworkers...

Jacobite Church

(Encyclopedia)Jacobite Church jăkˈəbītˌ [key], officially Syrian Orthodox Church, Christian church of Syria, Iraq, and India, recognizing the Syrian Orthodox patriarch of Antioch as its spiritual head, regarde...

magnetic levitation

(Encyclopedia)magnetic levitation or maglev măgˈlĕv [key], support and often propulsion of objects or vehicles by the use of magnets. The magnets used in magnetic levitation suspend an object free of contact wit...

Louis I, king of Hungary

(Encyclopedia)Louis I or Louis the Great, 1326–82, king of Hungary (1342–82) and of Poland (1370–82). He succeeded his father, Charles I, in Hungary, and his uncle, Casimir III, in Poland. He continued the in...