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Definitions

aurora

[uh-rawr-uh, uh-rohr-uh] / əˈrɔr ə, əˈroʊr ə /
NOUN
atmopheric phenomenon
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The study shows that the planet's aurora drives a powerful cycle involving heat, winds, and electrical currents that can make Saturn appear to spin at different speeds depending on how it is measured.

From Science Daily • May 29, 2026

Those currents help power the aurora itself, which continues heating the atmosphere and sustaining the entire cycle.

From Science Daily • May 29, 2026

The most common aurora colour, and the one most people picture when they think of the Northern Lights.

From BBC • Mar. 24, 2026

Red aurora tends to appear during particularly powerful geomagnetic storms, when the solar wind is strong enough to push particles to extreme heights.

From BBC • Mar. 24, 2026

Many nights, the dog teams set up a wolf pack howl, sending their lonesome cries up toward an aurora australis that was bright enough to cast shadows on the endless field of ice.

From "Shipwreck at the Bottom of the World" by Jennifer Armstrong




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