auroral
pronunciation
How to pronounce auroral in British English: UK [ɔ:'rɔ:rəl]
How to pronounce auroral in American English: US [ɔ'rɔrəl]
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- Adjective:
- of or relating to the atmospheric phenomenon auroras
- characteristic of the dawn
Word Origin
- auroral (adj.)
- 1550s, "pertaining to dawn," from aurora + -al (1). Meaning "of the color of dawn" is from 1827; "of the aurora" from 1828.
Example
- 1. Today these particles lead to auroral displays .
- 2. The darkness waned and a faint auroral glow began to appear in the east .
- 3. Solar storms can increase both the intensity and reach of auroral displays , bringing them into view for more skywatchers around the world .
- 4. The green auroral band occurred fortuitously about 100 kilometers above the erupting lava .
- 5. A study of relationships between two groups of fast flow events and nightside auroral activities .