aurora borealis

play
noun aurora bo·re·al·is \-ˌbȯr-ē-ˈa-ləs\

Definition of aurora borealis

  1. :  an aurora that occurs in earth's northern hemisphere —called also northern lights

Origin and Etymology of aurora borealis

New Latin, literally, northern dawn


First Known Use: 1707


AURORA BOREALIS Defined for Kids

aurora borealis

play
noun au·ro·ra bo·re·al·is \ə-ˌrȯr-ə-ˌbȯr-ē-ˈa-ləs\

Definition of aurora borealis for Students

  1. :  broad bands of light that have a magnetic and electrical source and that appear in the sky at night especially in the arctic regions



Seen and Heard

What made you want to look up aurora borealis? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a lively discussion

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

  • istock-refers-to-this-as-a-tumble-of-strawberries-which-sounded-pretty-nice-to-us
  • Which is a synonym of garner?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!