aurora australis

[aw-strey-lis]

auro·ra aus·tra·lis

[aw-strey-lis]
noun Meteorology.
the aurora of the Southern Hemisphere.
Also called southern lights.


Origin:
1735–45; < Neo-Latin: southern aurora; see austral
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Aurora australis is always a great word to know.
So is barometer. Does it mean:
any instrument that measures atmospheric pressure
a transition zone between a mass of warm air and the colder air it is replacing
Collins
World English Dictionary
aurora australis (ɒˈstreɪlɪs)
 
n
(sometimes capital) Also called: southern lights the aurora seen around the South Pole
 
[New Latin: southern aurora]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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