solar cycle

noun

Definition of solar cycle

1 : a cycle of disturbances in the sun and its atmosphere (such as the fluctuation in the numbers and areas of sunspots or the form and shape of the corona) of an average length of about 11 years

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Cite this Entry

“Solar cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20cycle. Accessed 25 Oct. 2020.

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Britannica English: Translation of solar cycle for Arabic Speakers

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