We found 7 dictionaries that define the word sunspot cycle:

General (4 matching dictionaries)

1. sunspot cycle: Merriam-Webster
2. sunspot cycle: Infoplease Dictionary
3. sunspot cycle: Dictionary.com
4. Sunspot cycle: Wikipedia, the Free Encyclopedia

Computing (1 matching dictionary)

5. sunspot cycle: Encyclopedia

Science (1 matching dictionary)

6. Atmospheric Chemistry and Air Quality (No longer online)

Tech (1 matching dictionary)

7. Glossary of Meteorology (No longer online)

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