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Related to auroral: auroral oval


n. pl. au·ro·ras or au·ro·rae (ə-rôr′ē)
1. A luminous atmospheric phenomenon appearing as streamers or bands of light sometimes visible in the night sky in northern or southern regions of the earth. It is thought to be caused by charged particles from the sun entering the earth's magnetic field and stimulating molecules in the atmosphere.
2. The dawn.

[Middle English, dawn, from Latin aurōra; see aus- in Indo-European roots.]

au·ro′ral, au·ro′re·an (-ē-ən) adj.
au·ro′ral·ly adv.

Au·ro·ra 1

n. Roman Mythology
The goddess of the dawn.

[Latin Aurōra; see aurora.]

Au·ro·ra 2

1. A city of north-central Colorado, a residential suburb of Denver.
2. A city of northeast Illinois on the Fox River west of Chicago. It developed as an industrial center.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.auroral - of or relating to the atmospheric phenomenon aurorasauroral - of or relating to the atmospheric phenomenon auroras; "a prominent green line in the spectrum of the auroras is called the `auroral line'"
2.auroral - characteristic of the dawnauroral - characteristic of the dawn; "a dim auroral glow"
References in classic literature ?
VIGILANS--The Laws of Auroral Derangements are still imperfectly understood.
High overhead was the spirit-like blue of paling skies; the east was a great arc of crystal, smitten through with auroral crimsonings; just above it was one milk-white star of morning, like a pearl on a silver sea.
To my imagination it retained throughout the day more or less of this auroral character, reminding me of a certain house on a mountain which I had visited a year before.
That man who does not believe that each day contains an earlier, more sacred, and auroral hour than he has yet profaned, has despaired of life, and is pursuing a descending and darkening way.
The only reports of aurora during July were from Jay Brausch in North Dakota who saw displays on July 09/10, 11/12 and 14/15, and from an airline pilot, Adrian Anderson, who saw and imaged NLC with an auroral arc on July 13/ 14 at latitude 54[degrees]N and longitude 48[degrees]W.
Washington, January 29 ( ANI ): Volcanic activity on Jupiter's moon Io affects auroral activity in the planet' magnetosphere, researchers have revealed.
Some people on social networking sites, online forums and video sharing sites have suggested the strange noises might be the work of HAARP or High Frequency Active Auroral Research Program.
In fact, the Geophysical Institute of the University of Alaska Fairbanks is predicting higher than normal auroral activity tonight for a large chunk of North America.
The auroral asymmetries may be driven by large numbers of charged particles flowing between Earth's Northern and Southern hemispheres along magnetic field lines.
These spectacularly intense meteor streams can be seen from earth, and are called auroral displays, or better known as northern lights.
There are two areas called the auroral ovals (oval-shaped rings) which are situated around 23 degrees from the magnetic poles of the Earth.
Ezekiel 1, Jeremiah 1:13), contain references to what can only be auroral phenomena.