sunspot
suns·pot
noun
1.
a cooler darker spot appearing periodically on the sun''s photosphere; associated with a strong magnetic field
Origin
From sun + spot.
Phrases
- sunspot number
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.