Isolation, Quarantine
noun, verbal noun, の adjective
Isolate and detached from everything else. This thing (or person) is in isolation and quarantine.
かくり
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
彼は二日酔いであまりにも酒臭すぎるので、別の部屋に隔離しています。
We have quarantined him to a separate room because he is hungover and reeks of liquor.