fourdimensional

four-di·men·sion·al

[fawr-di-men-shuh-nl, fohr-]
adjective Mathematics.
of a space having points, or a set having elements, which require four coordinates for their unique determination.

Origin:
1875–80

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
four-dimensional
 
adj
having or specified by four dimensions, esp the three spatial dimensions and the dimension of time: a four-dimensional continuum

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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00:10
Fourdimensional is always a great word to know.
So is quincunx. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
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