or  het*er*o*phil  also  het*er*o*phil*ic  adj :  relating to or being any of a group of antigens in organisms of different species that induce the formation of antibodies which will cross-react with the other antigens of the group : also  :  being or relating to any of the antibodies produced and capable of cross-reacting in this way <the detection of antibodies is the diagnostic method of choice for infectious mononucleosis> 
, or  heterophil  n :  NEUTROPHIL - used esp. in veterinary medicine .
 
 
 
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