auroral

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

/ ɔˈrɔr əl, ɔˈroʊr-, əˈrɔr-, əˈroʊr- /

of or like the dawn.

Nearby words

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

au·ro·ral·ly, adverb

Isochasmic, ī-so-kaz′mik, adj. denoting equality as regards frequency of auroral displays.
Chambers's Twentieth Century Dictionary (part 2 of 4: E-M)|Various
Auroral displays generally cover a considerable area, and are constantly changing, so the figures are necessarily somewhat rough.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 8|Various
Auroral displays were rather frequent but not very pronounced, and in most cases could only be classed as "glows."
The Home of the Blizzard|Douglas Mawson
Folgore, in spite of his spring fragrance and auroral freshness, anticipates the spirit of the Renaissance.
Renaissance in Italy: Italian Literature|John Addington Symonds

On this account it is, also, that when the passage of a vortex is attended by an auroral display there will be no thunder-storm.
Outlines of a Mechanical Theory of Storms|T. Bassnett