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aurora

/əˈrɔːrə/ noun · British & US
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What does aurora mean?

An aurora is one of nature's most striking phenomena: a glowing display of coloured light that appears in the night sky, most vividly in the far north and far south of the planet. It occurs when electrically charged particles streaming from the sun collide with gases in Earth's upper atmosphere, producing luminous sheets, ribbons, and curtains that can shift slowly or flicker dramatically. The best-known form is the aurora borealis, or northern lights, seen across Scandinavia, Iceland, Canada, and Alaska; its southern counterpart, the aurora australis, illuminates skies around Antarctica. Beyond science, the word carries literary weight: in Roman mythology, Aurora was the goddess who renewed herself each dawn to herald the rising sun. Today the term appears in scientific writing, travel journalism, and poetry alike. For anyone drawn to the natural world or classical myth, aurora bridges both — a word for light that has inspired wonder for millennia.

noun

A natural light display in the sky, predominantly seen in high-latitude regions, caused by charged particles from the sun interacting with the upper atmosphere. Also, in Roman mythology, the goddess of dawn.

Senses
  1. A natural electrical phenomenon of glowing, shifting light in the sky near polar regions.
  2. (Roman mythology) The goddess of dawn.
Example

"The northern lights — the aurora borealis — danced across the sky in shimmering curtains of green."

More examples

"We stood in silence as the aurora rippled green and violet across the Arctic night."

"In Ovid's telling, Aurora renews herself each morning to announce the coming day."

Plural auroras / aurorae

'Auroras' is the standard modern plural in everyday English; 'aurorae' is a Latinised variant occasionally found in older scientific texts.

Example

"Photographers captured several brilliant auroras during the geomagnetic storm."

Did you know?

Aurora was the name Romans gave to their goddess of dawn — and when scientists saw glowing lights at Earth's poles, they borrowed it to describe nature's own celestial sunrise.

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Etymology of aurora

Aurora comes directly from Latin, where it meant 'dawn' and named the Roman goddess who opened each new day. The word entered English in the late Middle English period, retaining its mythological sense before being extended by early modern scientists. In the 17th century, natural philosophers applied it to the luminous polar displays then becoming known to European observers, coining 'aurora borealis' ('northern dawn'). Related words sharing this Latin root include 'auroral' (adjective), 'auriferous' (gold-bearing, via a different but related Latin sense), and 'aureate' (golden).

Related word forms

How aurora is actually used

Usually used in scientific or literary contexts; often paired with 'borealis' (northern) or 'australis' (southern).

Easily confused with aurora

auric

Auric means relating to gold or gold(III), while aurora is a light display or the Roman goddess of dawn.

What's another word for aurora?

Words and phrases paired with aurora

aurora borealisaurora australis

Rhymes with aurora