Prefix
different; other.
(biology, medicine, transplantation) nonself; nonself but of the same species.
allogeneic transplant
allograft
(linguistics) variant.
(chemistry) isomeric; especially, of amino acids having two chiral centres, the second diastereoisomer to be discovered or synthesized
(chemistry) a diastereomer having the same configuration on four neighboring chiral carbon atoms as carbohydrate allose
Source: en.wiktionary.org