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entasis

(Encyclopedia)entasis ĕnˈtəsĭs [key] [Gr.,=stretching], the slight convex curvature of a classical column that diminishes in diameter as it rises. This device, as used by Greek builders, was of extreme subtlety...

Odysseus

(Encyclopedia)Odysseus yo͞olĭsˈēz [key], in Greek mythology, son and successor of King Laertes of Ithaca. A leader of Greek forces during the Trojan War, Odysseus was noted (as in the Iliad) for his cunning str...

Palamas, Kostes

(Encyclopedia)Palamas, Kostes kôstēsˈ pälämäsˈ [key], 1859–1943, Greek poet. He studied at the Univ. of Athens of which he later was secretary for many years. Except in his early work, he wrote in demotic ...

Heron of Alexandria

(Encyclopedia)Heron of Alexandria hērˈŏn [key] or Hero, mathematician and inventor. The dates of his birth and death are unknown; conjecture places them between the 2d cent. b.c. and the 3d cent. a.d. He is beli...

Iphigenia

(Encyclopedia)Iphigenia ĭfˌəjənīˈə [key], in Greek legend, daughter of Clytemnestra and Agamemnon. When the Greek ships were delayed by contrary winds at Aulis en route to the Trojan War, Calchas informed Ag...

Y

(Encyclopedia)Y, 25th letter of the alphabet. It was a Latin importation of the eastern Greek upsilon (see U), which was pronounced like ü; the Romans used it for Greek words. In English y mainly represents the se...

Charon, in mythology

(Encyclopedia)Charon, in Greek mythology: see Hades. ...

Laplace, Pierre Simon, marquis de

(Encyclopedia)Laplace, Pierre Simon, marquis de pyĕr sēmôNˈ märkēˈ də läpläsˈ [key], 1749–1827, French astronomer and mathematician. At 18 he went to Paris, proved his gift for mathematical analysis to...

Sagan, Carl Edward

(Encyclopedia)Sagan, Carl Edward sāˈgən [key], 1934–96, American astronomer and popularizer of science, b. New York City. Early in his career he investigated radio emissions from Venus and concluded that the c...

Tethys , in astronomy

(Encyclopedia)Tethys tēˈthĭs [key], in astronomy, one of the named moons, or natural satellites, of Saturn. Also known as Saturn III (or S3), Tethys is 659 mi (1060 km) in diameter, orbits Saturn at a mean dista...