zodiacal light

/zoʊˌdaɪəkəl laɪt/
IPA guide

Other forms: zodiacal lights

Definitions of zodiacal light
  1. noun
    a luminous tract in the sky; a reflection of sunlight from cosmic dust in the plane of the ecliptic; visible just before sunrise and just after sunset
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    type of:
    reflection, reflexion
    the phenomenon of a propagating wave (light or sound) being thrown back from a surface
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