supercomputer

[soo-per-kuhm-pyoo-ter, soo-per-kuhm-pyoo-ter]
noun
a very fast, powerful mainframe computer, used in advanced military and scientific applications.

Origin:
super- + computer

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
supercomputer (ˌsuːpəkəmˈpjuːtə)
 
n
a powerful computer that can process large quantities of data of a similar type very quickly
 
supercom'puting
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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FOLDOC
Computing Dictionary

supercomputer definition

computer
A broad term for one of the fastest computers currently available. Such computers are typically used for number crunching including scientific simulations, (animated) graphics, analysis of geological data (e.g. in petrochemical prospecting), structural analysis, computational fluid dynamics, physics, chemistry, electronic design, nuclear energy research and meteorology. Perhaps the best known supercomputer manufacturer is Cray Research.
A less serious definition, reported from about 1990 at The University Of New South Wales states that a supercomputer is any computer that can outperform IBM's current fastest, thus making it impossible for IBM to ever produce a supercomputer.
(1996-12-13)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Today, it was named the fastest supercomputer in the world.
The supercomputer industry is one poignant indication of the long-term trends.
Your brain is faster and more powerful than a supercomputer.
Theorists using supercomputer simulations have retraced the steps that produced
  the first stars and galaxies.
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