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