"fixation" in the noun sense
1. arrested development, fixation, infantile fixation, regression
an abnormal state in which development has stopped prematurely
2. obsession, fixation
an unhealthy and compulsive preoccupation with something or someone
3. fixation
the activity of fastening something firmly in position
4. fixation, 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
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