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  2. Centre (geometry) | Wikipedia

    en.wikipedia.org/wiki/Centre_(geometry)

    centre or origin O. In geometry, a centre (British English) or center (American English) (from Ancient Greek κέντρον (kéntron) 'pointy object') of an object is a point in some sense in the middle of the object. According to the specific definition of centre taken into consideration, an object might have no centre.

  3. Centre-left politics | Wikipedia

    en.wikipedia.org/wiki/Centre-left_politics

    Centre-left politics is the range of left-wing political ideologies that lean closer to the political centre and broadly conform with progressivism. Ideologies of the centre-left include social democracy, social liberalism, and green politics. Ideas commonly supported by the centre-left include welfare capitalism, social justice, liberal ...

  4. Triangle center | Wikipedia

    en.wikipedia.org/wiki/Triangle_center

    In geometry, a triangle center or triangle centre is a point in the triangle 's plane that is in some sense in the middle of the triangle. For example, the centroid, circumcenter, incenter and orthocenter were familiar to the ancient Greeks, and can be obtained by simple constructions. Each of these classical centers has the property that it is ...

  5. Center of excellence | Wikipedia

    en.wikipedia.org/wiki/Center_of_excellence

    The Auburn Performing Arts Center, Julie and Hal Moore Center for Excellence at Auburn High School (Alabama) is focused on performing arts. A center of excellence (COE or CoE), also called an excellence center, is a team, a shared facility or an entity that provides leadership, best practices, research, support, or training for a focus area.

  6. Centroid | Wikipedia

    en.wikipedia.org/wiki/Centroid

    The term "centroid" is of recent coinage (1814). [ 3 ] It is used as a substitute for the older terms "center of gravity" and " center of mass " when the purely geometrical aspects of that point are to be emphasized. The term is peculiar to the English language; French, for instance, uses " centre de gravité " on most occasions, and other ...

  7. Centre-to-centre distance | Wikipedia

    en.wikipedia.org/wiki/Centre-to-centre_distance

    c.t.c. distance. Centre-to-centre distance (c.t.c. distance or ctc distance) is a concept for distances, also called on-center spacing (o.c. spacing or oc spacing), heart distance, and pitch. It is the distance between the centre (the heart) of a column and the centre (the heart) of another column. By expressing a distance in c.t.c., one can ...

  8. City centre | Wikipedia

    en.wikipedia.org/wiki/City_centre

    A city centre is the commercial, cultural and often the historical, political, and geographic heart of a city. The term "city centre" is primarily used in British English, and closely equivalent terms that exist in other languages, such as " centre-ville " in French, Stadtzentrum in German, or shìzhōngxīn (市中心) in Chinese.

  9. The Second Coming (poem) | Wikipedia

    en.wikipedia.org/wiki/The_Second_Coming_(poem)

    The poem was written in 1919 in the aftermath of the First World War [4] and the beginning of the Irish War of Independence in January 1919, which followed the Easter Rising in April 1916, and before the British government had decided to send in the Black and Tans to Ireland. Yeats used the phrase "the second birth" instead of "the Second ...