(now rare) Imprisonment.

(obsolete) Resembling or characteristic of a prison.

The process of assimilation to the customs, social norms, etc. of a prison.

plural of prisonization

Synonym of imprisonable (“carrying a sentence of imprisonment”)

plural of prisonful

Enough to fill a prison.

The visual phenomenon of seeing colours, which may resolve into human or other figures, when kept in darkness or otherwise deprived of visual stimulation.

Alternative form of prisoners' bars (“the game”)

(military, historical) An officer acting as counsel for the defendant in a court-martial.