xor
/ɛksˈo(ɹ)/noun, conjunction
xor is a noun meaning “The logic function exclusive OR (as opposed to inclusive OR), whose output is true only when exactly one of its inputs is true” (English Wiktionary, September 2026). It is spelled X-O-R, and it appears about once in every 5 million words in written English (wordfreq, 2021 data). The plural of xor is xors.
What does xor mean?
noun
- 1
The logic function exclusive OR (as opposed to inclusive OR), whose output is true only when exactly one of its inputs is true.
noun
- 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.
- 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
- 1
To perform the XOR function upon.
conjunction
- 1
rareOr (but not both).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How do you pronounce xor?
- /ɛksˈo(ɹ)/
- /ˈzo(ɹ)/
- /ˈkso(ɹ)/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of xor
- xors plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is xor?
Xor appears about once in every 5 million words in written English, the 69,055th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Xor in Spanish, French, German and Portuguese
In the sense exclusive OR:
| Language | Words |
|---|---|
| French | ou exclusif |
| German | Exklusiv oder |
| Portuguese | xor, ou exclusivo |
| Spanish | o exclusivo |
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.