Gravitational Lens Definition
noun
A massive celestial body, esp. a galaxy or cluster of galaxies, having enough gravity to refract light waves from a more distant object, esp. a quasar, so that an observer sees an amplified or multiple image (gravitational lensing)
Webster's New World
Other Word Forms of Gravitational Lens
Noun
Singular:
gravitational lens
Plural:
gravitational-lenses
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