supercomputer

n. central computer that has great calculating ability and allows operation of complex scientific applications

A supercomputer is a computer that led the world (or was close to doing so) in terms of processing capacity, particularly speed of calculation, at the time of its introduction. The term "Super Computing" was first used by New York World newspaper in 1929 to refer to large custom-built tabulators IBM made for Columbia University.
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Noun
1. a mainframe computer that is one of the most powerful available at a given time
(hypernym) mainframe, mainframe computer

n. super computer, central computer that can independently compute much information and allows the execution of complicated scientific applications

n. supercomputer, central computer that has great calculating ability and allows operation of complex scientific applications