Au·ro·ra 1 ( -rôr , -r r)n. Roman Mythology The goddess of the dawn. [Latin Aur ra; see aurora.] |
| Au·ro·ra 2 (-rôr, -rr) 1. A city of north-central Colorado, a residential suburb of Denver. Population: 304,000. 2. A city of northeast Illinois on the Fox River west of Chicago. It is an industrial center and was one of the first U.S. cities to use electricity for street lighting. Population: 171,000. |
| au·ro·ra (-rôr, -rr) n. pl. au·ro·ras or au·ro·rae ( -rôr , -rr) 1. A luminous atmospheric phenomenon appearing as streamers or bands of light sometimes visible in the night sky in northern or southern regions of the earth. It is thought to be caused by charged particles from the sun entering the earth's magnetic field and stimulating molecules in the atmosphere. 2. The dawn. [Middle English, dawn, from Latin aur ra; see aus- in Indo-European roots.]au·ro ral, au·rore·an (--n) adj.au·ro ral·ly adv. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Adj. | 1. |  auroral - of or relating to the atmospheric phenomenon auroras; "a prominent green line in the spectrum of the auroras is called the `auroral line'" |
| 2. |  auroral - characteristic of the dawn; "a dim auroral glow" |
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