auroral

[ aw-rawr-uh l, aw-rohr-, uh-rawr-, uh-rohr- ]
/ ɔˈrɔr əl, ɔˈroʊr-, əˈrɔr-, əˈroʊr- /

adjective

of or like the dawn.
pertaining to the aurora borealis or aurora australis.

Origin of auroral

First recorded in 1545–55; auror(a) + -al1

Related forms

au·ro·ral·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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