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tesseract

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tes⋅ser⋅act

[tes-uh-rakt]
–noun
the generalization of a cube to four dimensions.

Origin:
1885–90; < Gk tésser(es) four + aktís ray
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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tes·ser·act   (těs'ə-rākt')   


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n.  The four-dimensional equivalent of a cube.

[Greek tessera, neuter pl. of tesseres, four; see tessera + aktīs, ray of light; see actino-.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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