crim ‧ i ‧ nol ‧ o ‧ gy /ˌkrɪməˈnɒlədʒi, ˌkrɪmɪˈnɒlədʒi $ -ˈnɑː-/ BrE AmE noun [uncountable]
[ Word Family: noun : ↑ crime , ↑ criminal , ↑ criminologist , ↑ criminology ; verb : ↑ incriminate , ↑ criminalize ≠ ↑ decriminalize ; adjective : ↑ criminal , ↑ incriminating ; adverb : ↑ criminally ]
the scientific study of crime and criminals
—criminologist noun [countable]