or chiefly Brit  hy*po*sen*si*ti*sa*tion  n :  the state or process of being reduced in sensitivity esp. to an allergen  :  DESENSITIZATION hy*po*sen*si*tize or chiefly Brit  hy*po*sen*si*tise  vt -tized  or chiefly Brit  -tised  -tiz*ing  or chiefly Brit  -tis*ing  
 
 
 
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