fourth-dimension
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fourth dimension
noun
1.
Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables: Time is considered a fourth dimension for locating points in space-time.
2.
something beyond the kind of normal human experience that can be explained scientifically: The story deals with ESP and other excursions into the fourth dimension.
Origin:
1870–75
1870–75
Related forms
fourth-di·men·sion·al, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source
|
Link To fourth-dimension
Collins
World English Dictionary
| fourth dimension | |
| —n | |
| 1. | 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. | the concept in science fiction of a dimension in addition to three spatial dimensions, used to explain supernatural phenomena, events, etc |
| fourth-di'mensional | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
00:10
Fourth-dimension
is always a great word to know.
So is doohickey. Does it mean:
| a chattering or flighty, light-headed person. |
| a gadget; dingus; thingumbob. |
American Heritage
Science Dictionary
fourth dimension  (fôrth) Pronunciation Key
Time regarded as a coordinate dimension. A fourth dimension is required by relativity theory, along with three spatial dimensions, to specify completely the location of any event. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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