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terzetto
TESL
tesla
tesla coil
TESOL
TESSA
tessellate
tessera
tesseract
tessitura
Test.
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tesseract

tes·ser·act [ téssə ràkt ] (plural tes·ser·acts)


noun 
Definition:
 
four-dimensional extension of cube: the four-dimensional extension of a cube

[Late 19th century. < Greek tesseres (see tessera) + aktis "ray"]
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