[aw-rawr-uh l, aw-rohr-, uh-rawr-, uh-rohr-]


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

Examples from the Web for auroral

Historical Examples of auroral

Word Origin and History for auroral

1550s, "pertaining to dawn," from aurora + -al (1). Meaning "of the color of dawn" is from 1827; "of the aurora" from 1828.

Online Etymology Dictionary, © 2010 Douglas Harper