Extrusive rock refers to the mode of igneous volcanic rock formation in which hot magma from inside the Earth flows out (extrudes) onto the surface as lava or explodes violently into the atmosphere to fall …

The meaning of EXTRUSIVE is relating to or formed by geologic extrusion from the earth in a molten state or as volcanic ash. How to use extrusive in a sentence.

extrusive rock, any rock derived from magma (molten silicate material) that was poured out or ejected at Earth’s surface.

Define extrusive. extrusive synonyms, extrusive pronunciation, extrusive translation, English dictionary definition of extrusive. adj. Derived from magma poured out or ejected at the earth's surface.

Definition of 'extrusive' extrusive in British English (ɪkˈstruːsɪv ) adjective

Explore the term 'extrusive,' its geological implications, etymology, and related concepts. Learn about extrusive rocks, their formation, and significance in Earth sciences.

Definition of extrusive adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Extrusive refers to igneous rocks that are formed from lava that cools and solidifies quickly on the Earth's surface.

Extrusive refers to igneous rock that has solidified on the surface of the Earth, as opposed to intrusive rocks that solidify beneath the surface. Extrusive rocks are formed from lava that cools quickly upon …

When magmas reach the surface red hot, they form extrusive rocks, such as volcanic rocks.