Dictionary

aurora borealis

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

Definition of AURORA BOREALIS

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

Origin of AURORA BOREALIS

New Latin, literally, northern dawn
First Known Use: 1717

Rhymes with AURORA BOREALIS

AURORA BOREALIS Defined for Kids

aurora borealis

noun au·ro·ra bo·re·al·is \ə-ˌrr-ə-ˌbr-ē-ˈa-ləs\

Definition of AURORA BOREALIS for Kids

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

Browse

Next Word in the Dictionary: aurora gloryPrevious Word in the Dictionary: aurora australisAll Words Near: aurora borealis
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears