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radiant point

Line breaks: ra¦di|ant point

Definition of radiant point in English:

noun

1A centre point from which rays or radii proceed.
Example sentences
  • The caustic of a cardioid, where the radiant point is taken to be the cusp, is a nephroid.
1.1 Astronomy The apparent focal point of a meteor shower.
Example sentences
  • The sickle is the western portion of Leo and that is the radiant point for the meteor showers.
  • Trace some backwards: they all lead to a radiant point in the constellation Gemini.
  • Much of the first part takes place at night, in a black and white symphony of moving radiant points and rich shades of darkness.

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