English Lexicon

Spacetime continuum

/ˈspeɪs.taɪm kənˈtɪn.ju.əm/
nounCEFR C1 (Advanced)Top #14200 frequency
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2 senses
As noun
  1. 1

    A mathematical model that combines the three dimensions of space and the fourth dimension of time into a single four-dimensional continuum.

    "According to general relativity, gravity is the curvature of the spacetime continuum caused by mass and energy."
  2. 2

    In science fiction and theoretical physics, the conceptual fabric of the universe in which all physical events occur.

    "Time travel experiments often threaten to tear apart the fabric of the spacetime continuum."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Coined in the early 20th century, the term combines 'space' (from Latin spatium) and 'time' (from Old English tīd) within the framework of Hermann Minkowski's geometric interpretation of Albert Einstein's theory of special relativity. It mathematically merges the three dimensions of space with the fourth dimension of time into a single four-dimensional manifold.

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