XOR /ˈɛks ˈɔɹ/noun 3verb 1forms 3 noun3 •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 symbolic representation that implements "exclusive or".XOR can be used to add bits without carrying. •A logic gate that implements "exclusive or". verb1 •To perform the XOR function upon.The XORed sequence has the same period as the sequence that is not XORed. — 1989 formsXORed · XORing · XORs