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summable

[suhm-uh-buh l] /ˈsʌm ə bəl/
adjective, Mathematics
1.
capable of being added.
2.
(of an infinite series, especially a divergent one) capable of having a sum assigned to it by a method other than the usual one of taking the limit of successive partial sums.
3.
(of a function) possessing a finite Lebesgue integral.
Origin
1775-1785
1775-85; sum + -able
Related forms
summability, noun
unsummable, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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