fixation


fixation (http://definr.com/fixation)

     n 1: an abnormal state in which development has stopped
          prematurely [syn: arrested development, {infantile
          fixation}, regression]
     2: an unhealthy and compulsive preoccupation with something or
        someone [syn: obsession]
     3: (histology) the preservation and hardening of a tissue
        sample to retain as nearly as possible the same relations
        they had in the living body [syn: fixing]