AURORAL
auroral, aurorean
(adjective) characteristic of the dawn; “a dim auroral glow”
auroral
(adjective) of or relating to the atmospheric phenomenon auroras; “a prominent green line in the spectrum of the auroras is called the ‘auroral line’”
Source: WordNet® 3.1
Etymology
Adjective
auroral (comparative more auroral, superlative most auroral)
Pertaining to the dawn; dawning, eastern, like a new beginning.
Synonym: aurorean
Rosy in colour.
Synonyms: blushing, roseate
Pertaining to the aurora borealis or aurora australis.
Source: Wiktionary
Au*ro"ral, a.
Definition: Belonging to, or resembling, the aurora (the dawn or the
northern lights); rosy.
Her cheeks suffused with an auroral blush. Longfellow.
Source: Webster’s Unabridged Dictionary 1913 Edition