2. (Geol.)
Defn: The penetrating of one rock, while in a plastic or metal state, into the cavities of another.
3. (Law)
Defn: The entry of a stranger, after a particular estate or freehold is determined, before the person who holds in remainder or reversion has taken possession.
4. (Scotch Ch.)
Defn: The settlement of a minister over 3 congregation without their consent.
INTRUSIONAL
In*tru"sion*al, a.
Defn: Of or pertaining to intrusion.
INTRUSIONIST
In*tru"sion*ist, n.
Defn: One who intrudes; especially, one who favors the appointment of a clergyman to a parish, by a patron, against the wishes of the parishioners.