aurora borealis meaning

Definition of aurora borealis

1. the aurora of the northern hemisphere

   Synonyms: northern lights

   Type of: aurora

aurora borealis in a sentence

• Adriano's starry eyes were full of wonder when he saw the aurora borealis.
• It's the aurora borealis.

How to pronounce aurora borealis

aurora borealis is pronounced /əˈrɔrə ˌbɔriˈæləs/ in American English. It has 7 syllables.