Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
Australia Day
Australian
Australian Alps
Australian Antarctic Territory
Australian ballot
Australian Capital Territory
Australian English
Australian Museum
Australian National Gallery
Australian Rules
Australian terrier
Australianism
Australoid
australopithecine
Austrasia
Austria
Austrian blind
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

aurora

au·ro·ra [ aw ráwrə, ə ráwrə ] (plural au·ro·ras or au·ro·rae [ àw ráw ree ])


noun 
Definition:
 
1. northern or southern lights: a phenomenon occurring in the night sky around the polar regions, caused by atmospheric gases interacting with solar particles to create streamers, folds, or arches of colored light

2. dawn: the dawn, usually personified ( literary )

[15th century. < Latin, "dawn"]

au·ro·ral adjective
Advertisement

© 2009 Microsoft