adding machine

noun

Definition of adding machine

: a usually key-operated machine that performs arithmetical addition — see calculating machine

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First Known Use of adding machine

1822, in the meaning defined above

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The first known use of adding machine was in 1822

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Cite this Entry

“Adding machine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/adding%20machine. Accessed 5 Dec. 2020.

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