Dictionary

aurora

noun au·ro·ra \ə-ˈrr-ə, -\
plural auroras or au·ro·rae\-(ˌ)ē\

Definition of AURORA

1
:  dawn
2
capitalized :  the Roman goddess of dawn — compare eos
3
:  a luminous phenomenon that consists of streamers or arches of light appearing in the upper atmosphere of a planet's magnetic polar regions and is caused by the emission of light from atoms excited by electrons accelerated along the planet's magnetic field lines
au·ro·ral \-əl\ adjective
au·ro·re·an \-ē-ən\ adjective

Examples of AURORA

  1. <a gorgeous pink aurora aroused us out of our slumber>

Origin of AURORA

Latin — more at east
First Known Use: 14th century

Other Astronomy Terms

gibbous, nadir, nebulous, penumbra, retrograde, sidereal, syzygy, wane, wax, zenith

Aurora

geographical name Au·ro·ra \ə-ˈrr-ə, -\

Definition of AURORA

1
city N cen Colorado E of Denver pop 325,078
2
city NE Illinois pop 197,899
3
town Canada in SE Ontario pop 53,203

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7 ENTRIES FOUND:
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May 23, 2015
debouch Hear it
to emerge or cause to emerge
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