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Noun: aurora (aurorae,auroras)  o'ro-ru
  1. The first light of day
    "we got up before aurora";
    - dawn, dawning, morning, first light, daybreak, break of day, break of the day, dayspring, sunrise, sunup, cockcrow
     
  2. An atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
Noun: Aurora  o'ro-ru
  1. (Roman mythology) goddess of the dawn; counterpart of Greek Eos

Derived forms: auroras, aurorae, Auroras

Type of: atmospheric phenomenon, hour, Roman deity, time of day

Encyclopedia: Aurora, SD