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fluctuate

mastery

/ˈflʌkt͡ʃu.eɪt/verbadj

card 1 of 10 · context meaning

Which meaning of 'fluctuate' best matches the usage in the sentence?

One of them, at great Expence of Algebra, proves, that the Motes, which in Scotomias, we seem to have in our Eyes, are not real Bodies fluctuating in them.