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calculus
(Encyclopedia) CE5 The derivative f″(x) of the function f(x) at the point P represents the slope of the tangent line at that point. CE5 The area under the curve y=f(x) may be found by calculating the sum of ...Detroit, city, United States
(Encyclopedia)Detroit dĭtroitˈ [key], city (2020 pop. 639,111), seat of Wayne co., SE Mich., on the Detro...Slavs
(Encyclopedia)Slavs slävz, slăvz [key], the largest ethnic and linguistic group of peoples in Europe belonging to the Indo-European linguistic family. It is estimated that the Slavs number over 300 million in the...Bohemia
(Encyclopedia)Bohemia, Czech Čechy, historic region (20,368 sq mi/52,753 sq km) and former kingdom, in W and central Czech Republic. Bohemia is bounded by Austria in the southeast, by Germany in the west and north...Rulers of France since 987 (table)
(Encyclopedia) Rulers of France since 987(including dates of reign) The Capetians House of Valois House of Bourbon The First Republic The First Empire Bourbon Restoration House of Bourbon-Orléans T...relativity
(Encyclopedia)relativity, physical theory, introduced by Albert Einstein, that discards the concept of absolute motion and instead treats only relative motion between two systems or frames of reference. One consequ...Schleswig-Holstein
(Encyclopedia)Schleswig-Holstein shlĕsˈvĭkh-hôlˈshtīn [key], state (1994 pop. 2,595,000), c.6,050 sq mi (15,670 sq km), NW Germany. Kiel (the capital and chief port), Lübeck, Flensburg, and Neumünster are t...organ
(Encyclopedia) CE5 Organ organ, a musical wind instrument in which sound is produced by one or more sets of pipes controlled by a keyboard, each pipe producing only one pitch by means of a mechanically produced ...forgery, in art
(Encyclopedia)forgery, in art, the false claim to authenticity for a work of art. A forger often unconsciously produces a confusion of styles or subtly accents elements reflecting contemporary bias. A major examp...gravitation
(Encyclopedia)gravitation, the attractive force existing between any two particles of matter. The term gravitygravity is commonly used synonymously with gravitation, but in correct usage a definite distinction is...Browse by Subject
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