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Aachen
(Encyclopedia) Aachen Aachen äˈkhən [key], Aix-la-Chapelle Aix-la-Chapelle ĕks-lä-shäpĕlˈ [key], or Bad Aachen Bad Aachen bät äˈkhən […centripetal force and centrifugal force
(Encyclopedia) CE5 Centripetal and centrifugal forces: When a ball is swung in a circle at the end of a string, centripetal and centrifugal forces act as shown above. centripetal force and…Cambrian period
(Encyclopedia) Cambrian period [Lat. Cambria=Wales], first period of the Paleozoic geologic era (see Geologic Timescale, tablegeologic timescale, table) extending from approximately 570 to 505…transit
(Encyclopedia) transit, in astronomy, passage of a body across a meridian or passage of a small body across the visible disk of a larger one. (The passage of a large body across a smaller one is…sign language
(Encyclopedia) CE5 Manual alphabet sign language, gestural communication used as an alternative or replacement for speech. Sign languages resemble oral languages in every way other than their…syllogism
(Encyclopedia) CE5 Categorical syllogism: Venn diagram syllogism, a mode of argument that forms the core of the body of Western logical thought. Aristotle defined syllogistic logic, and his…counterfeiting
(Encyclopedia) counterfeiting, manufacturing spurious coins, paper money, or evidences of governmental obligation (e.g., bonds) in the semblance of the true. There must be sufficient resemblance to…hair
(Encyclopedia) CE5 A. Cross section of a hair shaft B. General structure of a hair hair, slender threadlike outgrowth from the skin of mammals. In some animals hair grows in dense profusion and…International Monetary Fund
(Encyclopedia) International Monetary Fund (IMF), specialized agency of the United Nations, established in 1945. It was planned at the Bretton Woods Conference (1944), and its headquarters are in…cycle
(Encyclopedia) cycle, in astronomy, period of time required for the recurrence of some celestial event. The length of a cycle may be measured relative to the sun or to the fixed stars (see sidereal…Trending
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