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fourth dimension |
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fourth dimension 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 supranatural phenomena, events, etc. fourth dimension [¦fȯrth də′men·chən] (relativity) Time in the theory of relativity, in which space and time are conceived as particular aspects of a four-dimensional world. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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