침투

〔浸透〕

1. permeation; soaking
An act of a liquid such as water, rain, etc., percolating and soaking.

2. getting through
An act of a virus, germ, etc. entering one's body.

3. infiltration; spread
The state of a thought, value, policy, etc., getting into people's minds or into the society and spreading there.

4. sneaking into
An act of secretly entering a place, to hide oneself.