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Ptolemy
(Encyclopedia)Ptolemy (Claudius Ptolemaeus), fl. 2d cent. a.d., celebrated Greco-Egyptian mathematician, astronomer, and geographer. He made his observations in Alexandria and was the last great astronomer of ancie...flood, in hydrology
(Encyclopedia)flood, inundation of land by the rise and overflow of a body of water. Floods occur most commonly when water from heavy rainfall, from melting ice and snow, or from a combination of these exceeds the ...diary
(Encyclopedia)diary [Lat.,=day], a daily record of events and observations. As distinguished from memoir (an account of events placed in perspective by the author long after they have occurred), the diary derives i...cartel
(Encyclopedia)cartel kärtĕlˈ [key], national or international organization of manufacturers or traders allied by agreement to fix prices, limit supply, divide markets, or to fix quotas for sales, manufacture, or...Webster, Noah
(Encyclopedia)Webster, Noah, 1758–1843, American lexicographer and philologist, b. West Hartford, Conn., grad. Yale, 1778. After serving in the American Revolution, Webster practiced law in Hartford. His Grammati...Swedenborg, Emanuel
(Encyclopedia)Swedenborg, Emanuel swēdˈənbôrg; āmäˈno͞oĕl svāˌdənbōrkˈ [key], 1688–1772, Swedish scientist, religious teacher, and mystic. His religious system, sometimes called Swedenborgianism, is...Port Authority of New York and New Jersey
(Encyclopedia)Port Authority of New York and New Jersey, self-sustaining public corporation established in 1921 by the states of New York and New Jersey to administer the activities of the New York–New Jersey por...Qur'an
(Encyclopedia)Qur'an or Koran kōrănˈ, –ränˈ [key] [Arab.,=reading, recitation], the sacred book of Islam. Revealed by God to the Prophet Muhammad in separate revelations over the major portion of the Prophet...Bancroft, George
(Encyclopedia)Bancroft, George, 1800–1891, American historian and public official, b. Worcester, Mass. He taught briefly at Harvard and then at the Round Hill School in Northampton, Mass., of which he was a found...Browse by Subject
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