Definition of alomorph: 
A variant phonological representation of a morpheme; "the 
final sounds of `bets' and `beds' and `horses' and `oxen' 
are allomorphs of the English plural morpheme"

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UPDATE:

For those without ancient languages... greek and latin roots. Basically morph is shape, allo is "different" or "another".

Another definition for allomorph seems a bit closer to Larry's reply: "An allomorph is one of two or more complementary morphs which manifest a morpheme in its different phonological or morphological environments."

So, I guess in the computer context, an allomorph is an object that manifests differently depending on the context.

In reply to Re^6: Apocalypse 12 by tphyahoo
in thread Apocalypse 12 by broquaint

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