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Definition of "aurora" []

  • A luminous atmospheric phenomenon appearing as streamers or bands of light sometimes visible in the night sky in northern or southern regions of the earth. It is thought to be caused by charged particles from the sun entering the earth's magnetic field and stimulating molecules in the atmosphere. (noun)
  • The dawn. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "aurora" in a sentence
  • "March 21, 2009 at 10: 29 AM bet the farm is on the east side of cayuga lake in aurora, right off of 90."
  • "There is a man on the corner of broadway and ill ave who has been repairing and selling vehicles in aurora since 1988 and right now he is getting screwed over royally by the city because the great abby shuler doesnt want him to be able to sell cars on his own property anymore."
  • "An aurora is a atmospheric phenomenon where bands of light are displayed from the charged solar particles."