Skip to Content


Pronunciation: al′ō


  1. Other; differing from the normal or usual.
  2. Chemical prefix formerly used with an amino acid whose side chain contains an asymmetric carbon, the alloisoleucines and allothreonines.
  3. A sterochemical or geometric isomer of a common biomolecule.

[G. allos, other]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.