xor

Noun (1)

xor (plural xors)

1. The logic function exclusive OR (as opposed to inclusive OR), whose output is true only when exactly one of its inputs is true.

Conjunction

xor

1. (rare) Or (but not both).
   • The argument leads to the conclusion that an omnipotent being could rationally be able to do one xor the other and still be omnipotent.2002, Rob Janssen, “The rock argument”, in alt.atheism (Usenet)

   Synonyms:

   either ... or, eor

Noun (2) capitalized: XOR

IPA/ˈɛks ˈɔɹ/

XOR (plural XORs)

1. The connective "exclusive or". One way to state its meaning in plain English is "if either A or B, but not if both."
   • The XOR of (0,0) is 0; (0,1) is 1; (1,0) is 1; and (1,1) is 0.
   • The XOR gate can take only two inputs at a time and give an output. The output of the XOR gate is high (1) only when its two inputs are dissimilar i.e., if one of them is low (0) then other one will be high (1).2025 August 30, “Logic Gates - Definition, Types, Uses”, in GeeksforGeeks, archived from the original on 11 Sep 2025
2. A logic gate that implements "exclusive or".
3. The symbolic representation that implements "exclusive or".
   • XOR can be used to add bits without carrying.

Verb capitalized: XOR

IPA/ˈɛks ˈɔɹ/

XOR (third-person singular simple present XORs, present participle XORing, simple past and past participle XORed)

1. (transitive) To perform the XOR function upon.
   • The XORed sequence has the same period as the sequence that is not XORed.1989, IEEE Communications Society, Conference Record
   • XORing different constants into the four s-boxes in such a cipher has exactly the same effect as XORing a single constant into each round function output.1998, Stafford Tavares, Henk Meijer, Selected Areas in Cryptography

   Synonyms:

   ⊻