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relativity theory

relativity theory

1 6.5
A scientific idea by Einstein that space and time depend on how fast something moves
  • noun
  • /ˌrɛlətɪˈvælɪti ˈθɪəri/
  • Specialized
translation icon : teoría de la relatividad
  • The effect of Einstein's relativity theory is very small but overturned Newton's theory.
  • quantum and relativity theory
  • mechanics and relativity theory

We're looking for the reality that's beyond space-time in which in fact the very language of quantum theory and and relativity theory don't hold.

Examples

  • Einstein's relativity theory explains how time and space are interwoven, affecting our understanding of the universe.

  • Relativity theory essentially states that there is no absolute, separate space and time.

    Academic text (2001)
  • I'm talking about relativity theory and quantum mechanics here.

    Blog text (32)
  • Relativity theory and quantum theory, in particular, overturned everything that had gone before.

    Academic text (2001)
  • Under these conditions, relativity theory predicts that they will perceive the same events differently.

    Academic text (1994)
  • KITZ Doctor, isn't it true that wormholes are merely predictions of relativity theory?

    Fiction book (1997)
  • For Bohm, the insights of quantum mechanics and relativity theory point to a universe that is undivided and in which all parts "merge and unite in one totality."

    Academic text (1993)
  • Bohm began with the troubling concern that the two pillars of modern physics—quantum mechanics and relativity theory—actually contradict each other.

    Academic text (1993)
  • The principles of relativity theory suggest that observers moving at different speeds will experience time differently.

  • Many scientists continue to explore the implications of relativity theory in modern physics and astrophysics.

Synonyms

relativity
vsrelativity theory
  • Specialized
43 8.1

A theory in physics that space and time change depending on how you move

uses the longer noun phrase order rather than the brief form
theory of relativity
vsrelativity theory
  • Specialized
12 6.7

A scientific idea that space and time are linked and change with motion and gravity

uses reversed noun order instead of the common phrase order
Einstein's theory of relativity
vsrelativity theory
  • Specialized
3 6.8

A scientific idea that says space and time change depending on speed and gravity

states the same idea without naming its developer

Surface Forms

Morphology

relativity + theory

The phrase is fully compositional: 'relativity' names the concept and 'theory' denotes a scientific explanation, so 'relativity theory' straightforwardly means the scientific theory about relativity. This head–modifier noun combination follows standard cross-linguistic patterns and is not idiomatic, so a B1 learner who knows both constituents should understand it.

Etymology

Relativity theory is often imagined as a soft, stretchy sheet: heavy objects make dents and moving things change the sheet, which helps you picture how space and time can bend. This image shows why relativity theory says 'space' and 'time' are 'not fixed' but change with speed or near heavy objects, so people in different situations can measure time and distance differently.