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third dimension

noun
1.
the additional dimension by which a solid object is distinguished from a planar projection of itself or from any planar object.
2.
something that heightens the reality, vividness, or significance of a factual account, sequence of happenings, etc.:
The illustrations added a third dimension to the story.
Origin
1855-1860
1855-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for third-dimension

third dimension

noun
1.
the additional dimension by which a solid object may be distinguished from a two-dimensional drawing or picture of it or from any planar object
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Value for third

9
8
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