Top definition
Exlusive "or". Meaning one or the other, but not both. In English, "or" is often meaning xor, and the computer "or" (meaning one or the other or both) is and/or.

"xor" is used in most computer syntax.
1: Chineese XOR Pizza
2: if (x==1 xor y==1) then ...
(meaning If x equals 1 or y equals 1 but not both, then ...
by Jerr May 11, 2004
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2
Conjunction meaning either the thing preceding it or the thing following it, but not both.
I'll order a pizza xor Chinese.
by null set July 29, 2003
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3
A binary operator. Denoted as (^)

10011
^ 01010
-----
11001
by blah August 26, 2003
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4
Xor, also known as exclusive or, operation used in binary. It is commonly used in Assembly and C.
%10101010
xor %11011011 = %01110001, where { ( 1 and 0 = 1 ) ( 0 and 0 = 0 ) ( 1 and 1 = 0 ). Xor is similar to Or expect of two factors: (1) Xor changes the bit to 0 if both bits are 1 (2) Xor can be undone where Or cannot.
Asm
ld a,%10101011
xor %11111111
;a = %01010100

C
int a
a = %10101011
xor %11111111
;a= %01010100
by Name what name May 11, 2006
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5
Modified suffix denoting elite(1337)ness

Origin: hacker -> h4x0r

Variations: zor, xor, x0r

Plural: xorz
OMG HAWT CHIX0Rz
fux0r pwnt u
by erilaz January 04, 2005