Origin: Latin suffix -ive
Intrusive has 5 different meanings across 1 category:
An igneous rock that is forced, while molten, into cracks or between other layers of rock
"The geologist identified an intrusive body as a large mass of magma that had been pushed up through the surrounding sedimentary layers before solidifying."
of rock material; forced while molten into cracks between layers of other rock
"The geologist noted that the intrusive granite had been forced deep into fractures within the surrounding sedimentary layers before solidifying."
Tending to intrude; doing that which is not welcome; interrupting or disturbing; entering without permission or welcome.
"The noisy construction crew next door was so intrusive that we couldn't hear our television at all during the weekend."