CEFR C2

cosmic string

noun

Meaning

Hypothetical one-dimensional topological defects in the fabric of the universe that formed during the early stages of the Big Bang.

Examples

  • Theoretical physicists search for evidence of a cosmic string by observing how it might distort light from distant galaxies.
  • If a cosmic string were to pass through our solar system, its immense gravitational pull would cause noticeable ripples in space-time.

Synonyms: topological defect