1. A combining form or prefix meaning differing from the normal or usual, other (allophone; allogamy).

2. <chemistry> A prefix formerly used with amino acids whenever their side chain contained an asymmetric carbon; for example, the alloisoleucines and allothreonines.

Origin: G. Allos, other

(05 Mar 2000)

Allis' sign, alliteration, allium, allmouth < Prev | Next > alloalbuminaemia, alloantibody, alloantigen

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