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Macaulay, Thomas Babington, 1st Baron

(Encyclopedia)Macaulay, Thomas Babington, 1st Baron, 1800–1859, English historian and author, b. Leicestershire, educated at Cambridge. After the success of his essay on Milton in the Edinburgh Review (Aug., 1825...

Leo III, Byzantine emperor

(Encyclopedia)Leo III (Leo the Isaurian or Leo the Syrian), c.680–741, Byzantine emperor (717–41). He was probably born in N Syria (rather than in Isauria, as once thought). He held diplomatic and military post...

Papinian

(Encyclopedia)Papinian (Aemilius Papinianus) pəpĭnˈēən [key], d. 212, Roman jurist. He was a close friend of the Roman emperor Septimius Severus, under whom he was libellorum magister [master of the rolls] and...

Paterno, Joe

(Encyclopedia)Paterno, Joe (Joseph Vincent Paterno) pətûrˈnō [key], 1926–2012, American football coach, b. Brooklyn, N.Y. A former quarterback at Brown Univ., he joined (1950) the coaching staff at Pennsylvan...

boiler

(Encyclopedia)boiler, device for generating steam. It consists of two principal parts: the furnace, which provides heat, usually by burning a fuel, and the boiler proper, a device in which the heat changes water in...

Stephen Dušan

(Encyclopedia)Stephen Dušan or Dushan both: stĕˈfän do͞oˈshän [key], c.1308–1355, king (1331–46) and czar (1346–55) of Serbia, son of Stephen Uros III. He is also known as Stephen Uros IV. He was procl...

Theodosius II

(Encyclopedia)Theodosius II, 401–50, Roman emperor of the East (408–50), son and successor of Arcadius. He preferred the study of theology and astronomy to public affairs, which he left to the guidance of his s...

modem

(Encyclopedia)modem [modulator/demodulator], an external device or internal electronic circuitry used to transmit and receive digital data over a communications line normally used for analog signals. A modem attach...

Alexis, czar of Russia

(Encyclopedia)Alexis əlyĭksyāˈ mēkhīˈləvĭch [key], 1629–76, czar of Russia (1645–76), son and successor of Michael. His reign, marked by numerous popular outbreaks, was crucial for the later developmen...

amateur

(Encyclopedia)amateur, in sports, one who engages in athletic competition without material recompense. Upper-class Englishmen in the 19th cent. used the concept to help define their social status, first applying th...