fourth dimension(redirected from 4-dimensional geometry)
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Time regarded as a coordinate dimension and required by relativity theory, along with three spatial dimensions, to specify completely the location of any event.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
1. (General Physics) the dimension of time, which is necessary in addition to three spatial dimensions to specify fully the position and behaviour of a point or particle
2. (Literary & Literary Critical Terms) the concept in science fiction of a dimension in addition to three spatial dimensions, used to explain supernatural phenomena, events, etc
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. a dimension, usu. time, in addition to length, width, and depth, used to discuss phenomena that depend on four variables in geometrical language.
2. something beyond scientific explanation.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||fourth dimension - the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event|
dimension - the magnitude of something in a particular direction (especially length or width or height)
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