gravitational lens.

A concentration of mass whose gravity redirects light from a more distant source.

Use it for

Words that belong together

• strong gravitational lens
• gravitational-lens image

On the page

A gravitational lens stretched the distant galaxy into a luminous arc.

They compared the repeated images produced by the gravitational lens.

Usage notes

Primary category: sci-fi. Forms: Singular gravitational lens; plural gravitational lenses. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.