Link to this page adjective: Tending to drive or push on. looking after protrude or project. Derived from magma poured out or ejected in the planet's area. Applied of igneous stones. Jutting away; extruding. required completely during the area; ; -- contrasted with intrusive. of rock material; required out while molten through splits when you look at the planet's surface Tending to push or thrust away. looking after protrude or project. based on magma poured out or ejected at planet's surface. Used of igneous rocks. Jutting away; extruding. Forced completely on surface; ; -- contrasted with intrusive. of stone material; forced out while molten through splits into the earth's surface View More noun: Rock which was formed through volcanic extrusion. whatever is extruded; especially, in petrography, same as effusive (which see): compared with invasive. Rock which has been created through volcanic extrusion. That which is extruded; particularly, in petrography, same as effusive (which see): compared with intrusive. View More others: with the capacity of becoming extruded or pushed away; that has a tendency or serves to extrude or push away or forth; especially, in petrography, erupted or extruded: placed on igneous rocks. Just like effusive. effective at becoming extruded or pushed out; that tends or acts to extrude or thrust out or forth; especially, in petrography, erupted or extruded: applied to igneous rocks. Just like effusive. View More Related Sources Definition for "extrusive" Sentence for "extrusive" If the crystallization process occurs at… View More Antonym for "extrusive" Equivalent for "extrusive" Etymologically Related for "extrusive"