Synonyms of the word

plutonic

• adj. (mineralogy) Of an igneous rock that cooled and hardened below the Earth's surface.

intrusive

• adj. Tending or apt to intrude; doing that which is not welcome; interrupting or disturbing; entering without…
• adj. (geology) Of rocks: forced, while in a plastic or molten state, into the cavities or between the cracks…
• n. (geology) An igneous rock that is forced, while molten, into cracks or between other layers of rock.

irruptive

• adj. Having the quality of irrupting or making irruptions.
• n. An organism that is suddenly more prevalent in a region, due to irruption.