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fourth dimension

 

Definitions from WordNet

Noun fourth dimension has 1 sense
  1. fourth dimension, time - the fourth coordinate that is required (along with three spatial dimensions) to specify a physical event
    --1 is a kind of dimension

Definitions from the Web

Fourth Dimension

Definition:

The fourth dimension refers to a theoretical extension beyond three-dimensional space, typically conceptualized as time. It is a mathematical concept used in various fields to explain phenomena that cannot be accounted for in the traditional three dimensions of space.

Examples:

Noun - Mathematical Theory:

In geometry, the fourth dimension is often represented as a coordinate axis called "w" that is perpendicular to the three spatial dimensions (x, y, and z). It enables mathematicians to explore complex shapes and study higher-dimensional spaces.

Example Sentence: The renowned mathematician presented a groundbreaking paper on the geometry of the fourth dimension.

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Noun - Time:

In physics, the fourth dimension is commonly understood as time, in addition to the three spatial dimensions. This concept helps describe the sequence of events and the relativity of time in various theories, such as special and general relativity.

Example Sentence: The theory of relativity proposes that the fourth dimension, time, is not constant but can be affected by gravitational forces.

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Adjective - Popular Culture:

In popular culture, the term "fourth dimension" is occasionally used metaphorically to describe an otherworldly or transcendent experience beyond ordinary perception or understanding.

Example Sentence: The artist's installation created an immersive environment that made visitors feel like they were entering the fourth dimension.

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