1.Definition: (histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body

Category: General

2.Definition: an abnormal state in which development has stopped prematurely

Related Noun(s):regression

Category: General

3.Definition: an unhealthy and compulsive preoccupation with something or someone

Related Noun(s):obsession

Category: General

4.Definition: the activity of fastening something firmly in position

Category: General