to have originated
51North Africa — North African. the northern part of Africa, esp. the region north of the tropical rain forest and comprised of Morocco, Algeria, Tunisia, Libya, and that part of Egypt west of the Gulf of Suez. * * * Introduction region of Africa comprising …
52stringed instrument — a musical instrument having strings as the medium of sound production, played with the fingers or with a plectrum or a bow: The guitar, the harp, and the violin are stringed instruments. * * * Any musical instrument that produces sound by the… …
53medicine, history of — Introduction the development of the prevention and treatment of disease from prehistoric and ancient times to the 20th century. Medicine and surgery before 1800 Primitive (primitive culture) medicine and folklore Unwritten history is not… …
54Evolution — Evolution (History and Scientific Foundation) † Catholic Encyclopedia ► Evolution (History and Scientific Foundation) The world of organisms comprises a great system of individual forms generally classified according to structural… …
55Meteorite — This article is about debris from space that survives impact with the ground. For other uses of Meteor and Meteors , see Meteor (disambiguation). For popular applications, see Falling star. For the fictional superhero in the Marvel Comics… …
56Oort cloud — An artist s rendering of the Oort cloud and the Kuiper belt (inset). Sizes of individual objects have been exaggerated for visibility …
57Animal worship — (or zoolatry) refers to religious rituals involving animals, especially in pre modern societies, such as the glorification of animal deities, or animal sacrifice. The origins of animal worship have been the subject of many theories. The classical …
58Ancient Macedonians — The expansion of ancient Macedon up to the death of King Philip II (r. 359–336 BC). The Macedonians (Greek: Μακεδόνες, Makedónes) originated from inhabitants of the northeastern part of the Greek peninsula, in the alluvial plain around the rivers …
59Scattered disc — The scattered disc (or scattered disk) is a distant region of the Solar System that is sparsely populated by icy minor planets known as scattered disc objects (SDOs); a subset of the broader family of trans Neptunian objects (TNOs). The scattered …
60chess — chess1 /ches/, n. a game played by two persons, each with 16 pieces, on a chessboard. [1150 1200; ME < OF esches, pl. of eschec CHECK1] chess2 /ches/, n., pl. chess, chesses. one of the planks forming the roadway of a floating bridge. [1425 75;… …
