The definition of aurora borealis is a well known light display in the Northern Hemisphere created by colliding charged particles in the atmosphere.
An example of Aurora Borealis is the light display also known as the Northern Lights.
Irregular, luminous phenomena, as streamers, visible at night in a zone surrounding the north magnetic pole and produced in the ionosphere when atomic particles strike and excite atoms; northern lights.
An aurora that occurs in northern regions of the earth.
Origin of aurora-borealis
New Latin aurōra boreālis Latin aurōradawn Latin boreālisnorthern
American Heritage Dictionary of the English Language, 5th Edition
From New Latin aurora borealis, from LatinAurora (“Roman goddess of the dawn”) + borealis (“northern”)
Aurora-borealis Sentence Examples
The summer is almost nightless, print being legible at midnight, but in winter the days are only six hours long, though the nights are frequently illuminated with brilliant displays of the aurora borealis.
At Nuremberg he published in 1733 a collection of 316 observations of the aurora borealis made by himself and others 1716-1732.
Overnight on board and with luck plenty of opportunities to see the aurora borealis.
A lovely gold-tone metal brooch in the form of a large flower, with aurora borealis rhinestone diamante stones to the center.