Definitions for "Intrusive"
Apt to intrude; characterized by intrusion; entering without right or welcome.
A volume of igneous rock that was injected, while still molten, into the earth's crust of into other rocks.
igneous rock that forced its way in a molten state into the country rock
Any procedure that a student prefers to avoid.
In the context of computing, this may be a process (eg an installation procedure or a programmed test) that precludes normal operation of other processes (as opposed to a non-intrusive one).
Keywords:  thrusting, inward, sea, arm
thrusting inward; "an intrusive arm of the sea"
Keywords:  destructive, see
See "Destructive."