Dictionary.com
Thesaurus.com

diamond ring effect

American  

noun

Astronomy.
  1. a phenomenon, sometimes observed immediately before and after a total eclipse of the sun, in which one of Baily's beads is much brighter than the others, resembling a diamond ring around the moon.


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

As the deepest lunar valley passes across the face of the sun, the last ray of light flares out through it, creating what is called the diamond ring effect.

From Salon • Aug. 19, 2017