Definition of additive inverse
: a number that when added to a given number gives zero
the additive inverse of 4 is −4
— compare opposite sense 3
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“Additive inverse.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/additive%20inverse. Accessed 16 Oct. 2021.
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Time Traveler for additive inverse
The first known use of additive inverse was in 1953
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