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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 ...

Oklahoma

(Encyclopedia)CE5 Oklahoma ōkləhōˈmə [key], state in SW United States. It is bordered by Missouri and Arkansas (E); Texas, partially across the Red River (S, W); New Mexico, across the narrow edge of the Ok...

solar system

(Encyclopedia)CE5 Solar system CE5 solar system, the sun and the surrounding planets, natural satellites, dwarf planets, asteroids, meteoroids, and comets that are bound by its gravity. The sun is by far the ...

Burkina Faso

(Encyclopedia)CE5 Burkina Faso burkēˈnə fäˈsō [key], republic (2020 est. pop. 20,900,000), 105,869 sq mi (274,200 sq ...

strategy and tactics

(Encyclopedia)strategy and tactics, in warfare, related terms referring, respectively, to large-scale and small-scale planning to achieve military success. Strategy may be defined as the general scheme of the condu...

West Virginia

(Encyclopedia)CE5 West Virginia, E central state of the United States. It is bordered by Pennsylvania and Maryland (N, NE), Virginia (E and S), Kentucky (W) and, across the Ohio River, Ohio (NW). Economic cond...

Kentucky, state, United States

(Encyclopedia)CE5 Kentucky kəntŭkˈē, kĭn– [key], state of the SE central United States. It is bordered by West Virginia and Virginia (E); Tennessee (S); the Mississippi River, across which lies Missouri (...

English art and architecture

(Encyclopedia)English art and architecture, the distinctive national art and architecture that art may be said to have evolved in the 12th cent. with the Norman style. Building before that time was in what is commo...

telescope

(Encyclopedia)CE5 Mirror arrangements for a reflecting telescope telescope, traditionally, a system of lenses, mirrors, or both, used to gather light from a distant object and form an image of it. Traditional o...

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