aurora

Meanings

Plural: aurorae, auroras

Noun

• the first light of day
• an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
• (Roman mythology) goddess of the dawn; counterpart of Greek Eos
• An atmospheric phenomenon created by charged particles from the sun striking the upper atmosphere, creating coloured lights in the sky. It is usually named australis or borealis based on whether it is in the Southern or Northern Hemisphere respectively.

Synonyms

break of day, break of the day, chasma, cockcrow, dawn, dawning, daybreak, dayspring, first light, morning, polar light, sunrise, sunup

Antonyms

sunset