Associations to the word «Extrusive»

Wiktionary

EXTRUSIVE, adjective. Jutting out; extruding.
EXTRUSIVE, noun. (geology) Rock which has been formed through volcanic extrusion.

Dictionary definition

EXTRUSIVE, adjective. Of rock material; forced out while molten through cracks in the earth's surface.

Wise words

Language is a process of free creation; its laws and principles are fixed, but the manner in which the principles of generation are used is free and infinitely varied. Even the interpretation and use of words involves a process of free creation.
Noam Chomsky