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aurora

noun

/ɔːˈrɔːrə/

Meaning

A natural display of lights in the sky, usually seen in polar regions.

We traveled to Norway to see the northern aurora.

Aurora Borealis

northern lights, dawn, daybreak, polar lights

darkness, dusk

aurora borealis, aurora australis, aurora display

A person seized or held as security for the fulfillment of a condition.

a large cave or chamber in a cave

The development of new ideas, methods, or technologies

Using words, sentences or methods for easy memorization

a limitation or restriction

the amount of something that is available to be used or consumed