WordReference Random House Learner's Dictionary of American English © 2019
au•ro•ra aus•tra•lis /əˈrɔrə ɔˈstreɪlɪs/USA pronunciation  n. [countable;  usually singular;
the + ~]
  • Astronomy, Meteorologythe aurora of the Southern Hemisphere.Also called ˈsouth•ern ˈlights.

  • WordReference Random House Unabridged Dictionary of American English © 2019
    aurora aus•tralis  (ô strālis),USA pronunciation [Meteorol.]
    1. Astronomy, Meteorologythe aurora of the Southern Hemisphere. Also called  southern lights. 
    • Neo-Latin: southern aurora; see austral
    • 1735–45


    Collins Concise English Dictionary © HarperCollins Publishers::

    aurora australis /ɒˈstreɪlɪs/ n
    1. (sometimes capital) the aurora seen around the South Pole
      Also called: southern lights
    Etymology: New Latin: southern aurora



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