The Collaborative International Dictionary
Alterity \Al*ter"i*ty\, n. [F. alt['e]rit['e].] The state or quality of being other; a being otherwise. [R.]
For outness is but the feeling of otherness (alterity)
rendered intuitive, or alterity visually represented.
--Coleridge.
Wiktionary
n. (context philosophy anthropology English) otherness; the entity in contrast to which an identity is constructed.
Wikipedia
Alterity is a philosophical and anthropological term meaning "otherness", strictly being in the sense of the other of two (Latin alter). It is also increasingly being used in media to express something other than the sameness of an imitative compared to the original.
Usage examples of "alterity".
Paradoxically almost, the linguistic facility which makes Nabokov such an excellent game-player also encourages these readers, through its defamiliarizing effects, to think anew about artistry and reality, subjectivity and alterity, authority and autonomy.
Important segments of the discipline of history were also deeply embedded in the scholarly and popular production of alterity, and thus also in the legitimation of colonial rule.