Definition of "eruptional" [e•rup•tion•al]

• Eruptive (adjective)

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• "(Landscheidt, 1981-2001) document the importance of the Sun's eruptional activity for climate."
• "There is cogent evidence that the Sun's eruptional activity, too, has a strong effect in the tropics."
• "During periods of high eruptional activity, the cosmic ray flux into the atmosphere is reduced so that the production rate of radionuclides such as"