penology

n [U] study of crime and its punishment, and the management of prisons 刑罚学; 监狱管理学.

penis, penitence, penitent, penitential, penitentially, penitentiary, penitently, penknife (also `pocket-knife), penmanship, pennant, penniless, pennon, pennorth, Pennsylvania, penny, penny farthing, penny whistle, penny-pincher, pennyweight, pennyworth, pension, pensionable, pensioner, pensive, pensively, pensiveness, pent up, pent-up, penta-, pentagon, pentagonal, pentameter, Pentateuch, pentathlon, Pentecost, pentecostal, penthouse, penultimate, penumbra, penurious,