What is the meaning of Intrusive?

Tending to intrude; doing that which is not welcome; interrupting or disturbing; entering without permission or welcome.

Of rocks: forced, while in a plastic or molten state, into the cavities or between the cracks or layers of other rocks.

epenthetic

An igneous rock that is forced, while molten, into cracks or between other layers of rock

feminine singular of intrusif

inflection of intrusiv:

  1. strong/mixed nominative/accusative feminine singular
  2. strong nominative/accusative plural
  3. weak nominative all-gender singular
  4. weak accusative feminine/neuter singular

strong/mixed nominative/accusative feminine singular

strong nominative/accusative plural

weak nominative all-gender singular

weak accusative feminine/neuter singular

feminine plural of intrusivo

Source: wiktionary.org