auroral

[aw-rawr-uh l, aw-rohr-, uh-rawr-, uh-rohr-]
See more synonyms for auroral on Thesaurus.com

Origin of auroral

First recorded in 1545–55; auror(a) + -al1
Related formsau·ro·ral·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


Examples from the Web for auroral

Historical Examples of auroral


Word Origin and History for auroral
adj.

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