aurora

Noun

WordNet 3.0

Noun (3)

  1. the first light of day“we got up before dawn”“they talked until morning”Synonyms: dawndawningmorningfirst lightdaybreakbreak of daybreak of the daydayspringsunrisesunupcockcrow
  2. an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
  3. (Roman mythology) goddess of the dawn; counterpart of Greek EosSynonyms: Aurora
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Webster's Dictionary (GCIDE)

Aurora \Au*ro"ra\, n.; pl. E. Auroras, L. (rarely used) Auror[ae]. [L. aurora, for ausosa, akin to Gr. ?, ?, dawn, Skr. ushas, and E. east.]

1.The rising light of the morning; the dawn of day; the redness of the sky just before the sun rises. [1913 Webster]

2.The rise, dawn, or beginning. --Hawthorne. [1913 Webster]

3.(Class. Myth.) The Roman personification of the dawn of day; the goddess of the morning. The poets represented her a rising out of the ocean, in a chariot, with rosy fingers dropping gentle dew. [1913 Webster]

4.(Bot.) A species of crowfoot. --Johnson. [1913 Webster]

5.The aurora borealis or aurora australis (northern or southern lights). [1913 Webster]

Aurora borealis, i. e., northern daybreak; popularly called northern lights. A luminous meteoric phenomenon, visible only at night, and supposed to be of electrical origin. This species of light usually appears in streams, ascending toward the zenith from a dusky line or bank, a few degrees above the northern horizon; when reaching south beyond the zenith, it forms what is called the corona, about a spot in the heavens toward which the dipping needle points. Occasionally the aurora appears as an arch of light across the heavens from east to west. Sometimes it assumes a wavy appearance, and the streams of light are then called merry dancers. They assume a variety of colors, from a pale red or yellow to a deep red or blood color. The

Aurora australisis a corresponding phenomenon in the southern hemisphere, the streams of light ascending in the same manner from near the southern horizon. [1913 Webster]

Free On-line Dictionary of Computing

Aurora

<language> A Prolog implementation with or-parallelism.

["The Aurora Or-Parallel Prolog System", E. Lusk et al, Proc 3rd Intl Conf on Fifth Generation Comp Systems, pp. 819-830, ICOT, A-W 1988].

(2018-01-01)

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