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aurora
PRIMARY MEANINGS OF:
aurora
1
n
an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
2
n
the first light of day
FULL DEFINITIONS OF: aurora
1
n
an atmospheric phenomenon consisting of bands of light caused by charged solar particles following the earth's magnetic lines of force
Types:
aurora australis
,
southern lights
the aurora of the southern hemisphere
aurora borealis
,
northern lights
the aurora of the northern hemisphere
Type of:
atmospheric phenomenon
a physical phenomenon associated with the atmosphere
2
n
the first light of day
Synonyms:
break of day
,
break of the day
,
cockcrow
,
dawn
,
dawning
,
daybreak
,
dayspring
,
first light
,
morning
,
sunrise
,
sunup
Antonyms:
sundown
,
sunset
the time in the evening at which the sun begins to fall below the horizon
Type of:
hour
,
time of day
clock time
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