auroral (adj.)

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

Entries linking to auroral

aurora (n.)

"morning light, dawn," late 14c., from Latin Aurora, the Roman goddess of dawn, from PIE *ausus- "dawn," also the name of the Indo-European goddess of the dawn, from root *aus- (1) "to shine," especially of the dawn (source also of Greek ēōs "dawn").

-al (1)

suffix forming adjectives from nouns or other adjectives, "of, like, related to, pertaining to," Middle English -al, -el, from French or directly from Latin -alis (see -al (2)).

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Definitions of auroral

auroral (adj.)

of or relating to the atmospheric phenomenon auroras;

a prominent green line in the spectrum of the auroras is called the `auroral line'

auroral (adj.)

characteristic of the dawn;

a dim auroral glow

Synonyms: aurorean

From wordnet.princeton.edu

Dictionary entries near auroral

auriferous

Auriga

aurochs

aurora

aurora borealis

auroral

*aus-

auscultate

auscultation

auspex

auspices