What Does Intrusions Mean?

1 : the act of intruding or the state of being intruded especially : the act of wrongfully entering upon, seizing, or taking possession of the property of another. 2 : the forcible entry of molten rock or magma into or between other rock formations also : the intruded magma.

What is an example of intrusion?

When you are having a quiet nap in your backyard and your neighbor's dog comes in uninvited and jumps all over you to wake you up, this is an example of an intrusion. The act of intruding or the condition of being intruded on. An inappropriate or unwelcome addition.

What does intrusions mean in science?

An intrusion is a deliberate move into someone else's territory — either literal or figurative. ... You may remember intrusion used in science class to describe molten rock that forms in an earlier rock formation.