• IPA: /ɛksˈo(ɹ)/, /ˈzo(ɹ)/, /ˈkso(ɹ)/, /ˈkszo(ɹ)/

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.

• French: ou exclusif
• German: Exklusiv oder
• Portuguese: xor, ou exclusivo
• Spanish: o exclusivo

1. (rare) Or (but not both).

• either ... or
• eor

Short for exclusive or.

• IPA: /ˈɛks ˈɔɹ/, /ˈzɔɹ/

xor (plural xors)

1. (logic) The connective "exclusive or".

   The XOR of (0,0) is 0; (0,1) is 1; (1,0) is 1; and (1,1) is 0.

2. (electrical engineering) A logic gate that implements "exclusive or".
3. (programming) The symbolic representation that implements "exclusive or".

   XOR can be used to add bits without carrying.

• exclusive OR
• XOR gate
• ex-or
• NOT equivalence

• (antonym(s) of “electrical engineering”): XNOR

• French: ou exclusif

xor (xors, present participle xorring; simple past and past participle xorred)

1. (transitive, computing) To perform the XOR function upon.
   • 1989, IEEE Communications Society, Conference Record:

     The XORed sequence has the same period as the sequence that is not XORed.

   • 1998, Stafford Tavares, Henk Meijer, Selected Areas in Cryptography:

     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.

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