sum·​mand ˈsə-ˌmand How to pronounce summand (audio)
: a term in a summation : addend

Example Sentences

Recent Examples on the Web But in the 3-adics, 972 is the same size as 486, because both the sum (972) and the summand (486) have the same number of 3s in their prime factorization. Quanta Magazine, 19 Oct. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'summand.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History


Medieval Latin summandus, gerund of summare to sum, from summa

First Known Use

1846, in the meaning defined above

Time Traveler
The first known use of summand was in 1846

Dictionary Entries Near summand

Cite this Entry

“Summand.” Dictionary, Merriam-Webster, Accessed 21 Mar. 2023.

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