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