Sunspot
ahd-5
noun.
Any of the relatively cool dark spots appearing periodically in groups on the surface of the sun that are associated with strong magnetic fields.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
A region on the
sun
's surface with a lower
temperature
than its surroundings and intense
magnetic
activity.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
Hypernym
Words that are more generic or abstract
dapple
fleck
maculation
patch
speckle
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