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abacus, in mathematics

(Encyclopedia) CE5 Chinese abacus: Numbers are represented by moving beads to the central crossbar. abacusabacusăbˈəkəs, əbăkˈ– [key], in mathematics, simple device for performing arithmetic…

Capitoline Hill

(Encyclopedia) Capitoline HillCapitoline Hillkăpˈĭtəlīnˌ [key] or Capitol, highest of the seven hills of ancient Rome, historic and religious center of the city. The great temple of Jupiter…

Bynkershoek, Cornelius van

(Encyclopedia) Bynkershoek, Cornelius vanBynkershoek, Cornelius vankôrnāˈlĭs vän bĭngˈkərs-h&oomacr;k [key], 1673–1743, Dutch writer on international law. His De dominio maris [on the rule of the…

Jhelum, town, Pakistan

(Encyclopedia) JhelumJhelumjāˈl&oobreve;m [key], town (1981 pop. 92,646), NE Pakistan, on the Jhelum River. Located on the main railroad and road on Punjab piedmont plain, it is an important…

Forster, Johann Reinhold

(Encyclopedia) Forster, Johann Reinhold, 1729–98, German naturalist and teacher. His Philosophical Transactions of the Royal Society (1772–73) on zoology, ornithology, and ichthyology established him…

Four Horsemen of the Apocalypse

(Encyclopedia) Four Horsemen of the ApocalypseFour Horsemen of the Apocalypseəpŏkˈəlĭps [key], allegorical figures in the Book of Revelation in the Bible. The rider on the white horse has many…

Grassi, Giovanni Battista

(Encyclopedia) Grassi, Giovanni BattistaGrassi, Giovanni Battistajōvänˈnē bät-tēˈstä gräsˈsē [key], 1854–1925, Italian zoologist. He demonstrated (1898) that the Anopheles mosquito carries the…

Alberti, Leone Battista

(Encyclopedia) Alberti, Leone Battista, 1404–72, Italian architect, musician, painter, and humanist, active at the papal court, Florence, Rimini, and Mantua. Alberti was the first architect to argue…

Lucania

(Encyclopedia) LucaniaLucanial&oomacr;kāˈnēə [key], ancient region of S Italy. It was bounded on the east by the Gulf of Tarentum (now Taranto) and by Apulia, on the north by Samnium and Campania…