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The decathlon is a combined event in athletics consisting of 10 track and field events. The word was formed in analogy to the word "pentathlon", from Greek δέκα (déka 'ten') and ἆθλον (áthlon 'contest, prize'). Events are held over two consecutive days and the winners are determined by the combined …

In mathematics, an ordered pair, denoted (a, b), is a pair of objects in which their order is significant. If a and b are different, then (a,b) is different from (b,a). In contrast, the unordered pair {a,b} always equals the unordered pair {b,a}.…

Ostracism (Greek: ὀστρακισμός, ostrakismos) was an Athenian democratic procedure in which any citizen could be expelled from the city-state of Athens for ten years. While some instances clearly expressed popular anger at the citizen, ostracism was often used preemptively as a way of neutralizing som…

Michael Deanailo Westbrook (born July 7, 1972) is an American former professional football player who was a wide receiver in the National Football League (NFL). Westbrook played college football for the Colorado Buffaloes, and was recognized as a consensus All-American in 1994. He was selected in th…

A number line is a graphical representation of a straight line that serves as spatial representation of numbers, usually graduated like a ruler with a particular origin point representing the number zero and evenly spaced marks in either direction representing integers, imagined to extend infinitely…

Fennoscandia (Finnish, Swedish and Norwegian: Fennoskandia; Russian: Фенноскандия, romanized: Fennoskandiya), Fenno-Scandinavia, or the Fennoscandian Peninsula, is a peninsula in Europe which includes the Scandinavian and Kola peninsulas, mainland Finland, and Karelia. Administratively, this roughly…

Charles Henry Noll (January 5, 1932 – June 13, 2014) was an American professional football player and head coach. Regarded as one of the greatest head coaches of all time, his sole head coaching position was for the Pittsburgh Steelers of the National Football League (NFL) from 1969 to 1991. When No…

All definitions tacitly require the homogeneous relation R {\displaystyle R} be transitive: for all a , b , c , {\displaystyle a,b,c,} if a R b {\displaystyle aRb} and b R c {\displaystyle bRc} then a R c . {\displaystyle aRc.} A term's definition may require additional properties that are not liste…

A combination machine is a woodworking machine that combines the functions of two or more separate machines into a single unit. For example, a combination machine might consist of a tablesaw with a side-mounted jointer. Another common example of this type of machine is the jointer-thicknesser (also …

In sabermetrics, the defensive spectrum is a graphical representation of the positions on a baseball field, arranged from the easiest (such as first base and the outfield corners) on the left to the hardest (such as the catcher and middle infielders) on the right.…