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View synonyms for fourth dimension
fourth dimension
noun
- 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.
- 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.
fourth dimension
noun
- 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
- the concept in science fiction of a dimension in addition to three spatial dimensions, used to explain supernatural phenomena, events, etc
fourth dimension
/ fôrth /
- 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.
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Derived Forms
- ˌfourth-diˈmensional, adjective
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Other Words From
- fourth-di·mension·al adjective
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Word History and Origins
Origin of fourth dimension1
First recorded in 1870–75
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