Columbia Encyclopedia

(Encyclopedia) square, closed plane figure bounded by four straight line segments of equal length and meeting at right angles. The points of intersection of the lines, or sides, are called vertices. The diagonals of...

(Encyclopedia) Gaea jēˈə [key], in Greek religion and mythology, the earth, daughter of Chaos, both mother and wife of Uranus (the sky) and Pontus (the sea). Among Gaea's offspring by Uranus were the Cyclopes, th...

(Encyclopedia) Babism bäˈbĭzəm [key], system of doctrines proclaimed in Persia in 1844 by Ali Muhammad of Shiraz. Influenced by the Shaykhi Shiite theology that viewed the Twelve Imams as incarnations of the Div...

(Encyclopedia) Mornay, Philippe de, seigneur du Plessis-Marly fēlēpˈ də môrnāˈ sānyörˈ dü plĕsēˈ-märlēˈ [key], 1549–1623, diplomat and publicist for the French Protestants, or Huguenots, during th...

(Encyclopedia) blue laws, legislation regulating public and private conduct, especially laws relating to Sabbath observance. The term was originally applied to the 17th-century laws of the theocratic New Haven colon...

(Encyclopedia) voodoo vo͞oˈdo͞o [key] [from the god Vodun], native W African religious beliefs and practices that also has adherents in the New World. Voodoo believers are most numerous in Haiti, where voodoo was...

(Encyclopedia) Hegel, Georg Wilhelm Friedrich gāˈôrkh vĭlˈhĕlm frēˈdrĭkh hāˈgəl [key], 1770–1831, German philosopher, b. Stuttgart; son of a government clerk. Hegel has influenced many subsequent p...

(Encyclopedia) Lodge, Sir Oliver Joseph, 1851–1940, English physicist, grad. University College, London (B.S., 1875; D.Sc., 1877). He made valuable contributions to the development of wireless telegraphy and condu...

(Encyclopedia) Muses, in Greek religion and mythology, patron goddesses of the arts, daughters of Zeus and Mnemosyne. Originally only three, they were later considered as nine. Calliope was the Muse of epic poetry a...

(Encyclopedia) Dodona dōdōˈnə [key], in Greek religion, the oldest oracle, in inland Epirus, near modern Janina, sacred to Zeus and Dione. According to Herodotus, an old oak tree there became an oracle when a bl...