desex

from WordNet (r) 3.0 (2006)

desex
    v 1: make infertile; "in some countries, people with genetically
         transmissible disabilites are sterilized" [syn:
         {sterilize}, {sterilise}, {desex}, {unsex}, {desexualize},
         {desexualise}, {fix}]

from The Collaborative International Dictionary of English v.0.48

desex \desex\ v. t.
   to make infertile, especially by removing or incapacitating
   the sexual organs; -- used of both males and females.

   Syn: sterilize, unsex, desexualize, fix.
        [WordNet 1.5]

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