n.
1.an abnormal state in which development has stopped prematurely
2.an unhealthy and compulsive preoccupation with something or someone
3.the activity of fastening something firmly in position
4.(histology) the preservation and hardening of a tissue sample to retain as nearly as possible the same relations they had in the living body
Idiom of the Day
clean bill of health
the assurance that an animal or person is healthy
The astronaut was given a clean bill of health before he began training.