ˌeks-ˈȯr How to pronounce XOR (audio)
: a logical operator whose output is true when either of two inputs are true but not both
The output varies according to the relative characteristics of the inputs, and by manipulating these the device can be made to perform the functions of all the kinds of logic gates used in computer circuitry (OR, NOR, AND, NAND and XOR).D. E. Thomsen, Science News, 29 Oct. 1983

called also exclusive or

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of XOR was in 1961

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Cite this Entry

“XOR.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/XOR. Accessed 6 Jun. 2023.

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